Content Part School Book Exams Algebra exam 1 : Page 2 1 Part Algebra exam 2 : Page 3 Calculus exam 1 : Page 4 Calculus exam 2 : Page 5 Practice Exams Practice exam 1 : Page 6 2 Practice exam 2 : Page 9 Practice exam 3 : Page 12 Practice exam 4 : Page 15 Practice exam 5 : Page 18 Practice exam 6 : Page 21 Practice exam 7 : Page 24 Practice exam 8 : Page 27 Practice exam 9 : Page 30 Practice exam 10 : Page 33 Algebra – School book Exam 1 ANSWER THE FOLLOWING QUESTIONS: (1) Choose the correct answer: 1) If π + 1 = 30 π − 1, then the value of π is …………… a) 5 b) 6 c) 29 d) 30 2 2) The value of the series: ∑15 π=1(π + π + 1) is ………….. a) 1375 b) 3720 c) 14400 d) 2232000 3) The number of the terms of the arithmetic sequence (7,11,15, … ,271) is ………… a) 34 b) 67 c) 169 d) 9313 4) If π₯ > 0, then the common ratio of the geometric sequence (4, π₯ − 3,2 π₯ + 6, … ) is ………… a) 1 b) 5 c) 3 d) 24 (2) (a) if 5ππ = 2 ×6ππ−1 , find the value of: π (b) find the order of the first negative term of the terms of the sequence( 152 − 9 π), then find the greatest sum can be got from the terms of this sequence. (3) (a) How many different three – digit even numbers can be formed from the set of the numbers {2,3,4,5,7}? (b) Find the geometric sequence whose terms are positive, the sum of the first three terms equals 14 and its first term is greater than its second term by 4, then find the sum of infinite number of its terms starting from its first term (4) (a) find the geometric sequence whose sum of its first three terms equals 27 171 32 and its second term equals 16, then find its tenth term. (b) A 25 – row theatre; the first row contains 20 seats, the second row contains 22 seats and the third row contains 24 seats and so on … Find the number of seats in all the theatre rows. (5) (a) if 2 n+m πΆ2 = 190, n-2m π3 = 60,find the value of: π and π. (b) An arithmetic sequence whose sum of its first and last terms is 26 and the sum of its terms is 468, find the number of its terms. If its tenth term equals 47, find this sequence. Algebra – School book Exam 2 ANSWER THE FOLLOWING QUESTIONS: (1) choose the correct answer: 1) the number of ordered pairs (π, π) which can be formed from the elements of the set {1,2,3} where π ≠ π is ………….. a) 2 b) 3 c) 6 d) 9 8 2) The nth term of the sequence (2,2, 3 , 4, … ) is …………. a) π − 1 b) 2π − 1 c) 2π−1 3) The sum of the first 25 terms of the sequence (3 − 2 π) is ……………… a) 650 b) 600 c) – 575 4) If (π₯, π¦, π§, … ) is a geometric sequence, then ……….. a) 2π¦ < π₯ + π§ b) π¦ 2 > π₯ π§ c) π¦ = π₯ π§ d) 2π π d) – 600 d) √π¦ = π₯ π§ 2) (a) if 25πΆ2π+1 =25πΆ3π−1 , find the value of: r (b) Find the number of terms that must be taken from the terms of the sequence (−43, −36, −29, … ) starting from its first term to get a sum of 221. 3) (a) A university student learns different eight subjects and he cannot join the next grade till he succeeds in six subjects at least. How many ways can the student join the next grade? (b) A geometric sequence in which the sum of an infinite number of its terms starting from its first term equals 108 and its first term is greater than its second term by 12 Find the sequence and the sum of its first seven terms 4) (a) Find the sum of the odd ordered terms of the arithmetic sequence (2 ,5 , 8 . . . , 110) (b) An agricultural crops storing company has seven warehouses to store the wheat so that the first warehouse holds 270 tons and each warehouse after that can hold two third of the amount of the directly previous warehouse. Can the company store 800 tons of wheat? What is the greatest amount of wheat the company can store in its warehouses to the nearest ton? 5) (a) if 3π − 7 = 120, find the value of nπΆπ−1 (b) Insert 28 arithmetic means between 4 and 91, then find the sum of the terms of the arithmetic sequence resulted. Calculus – School book Exam 1 ANSWER THE FOLLOWING QUESTIONS: (1) choose the correct answer: ππ¦ 1) If π¦ = sin 2π₯, then π π₯ when π₯ = a) 2 π 6 equals …………. 1 b) 1 c) 2 d) √3 2 2) If cos θ= 3 , then cos 2 π = β― 4 a) 9 3 b) 2 3) ∫(2 π₯ + 3)4 d π₯ = β― 1 a) 5 (2 π₯ + 3)5 + πΆ c) 1 b) 10 (2 π₯ + 3)5 + πΆ −1 d) √3 9 1 c) 10 (2 π₯ + 3)3 + πΆ d) 10(2 π₯ + 3)3 + πΆ 4) The average rate of change of the function π where π(π₯) = π₯ 2 when π₯ varies from 3 to 3.1 equals …… a) 0.61 b) 6.1 c) 9 d) 9.61 (2) (a) Find the first derivative if: π¦ = π₯ 2 π ππ 2 π₯ π ππ 2 π₯ (b) prove that: 1+πππ 2 π₯ = π‘ππ π₯ (3) (a) find the slope of the tangent to the curve of the function: π: π(π₯) = (b) find (1) ∫(π₯ 2 + 2 π₯)π π₯ π₯ 2 +3 π₯−2 ,= 1 (2) ∫(π ππ π₯ − πππ π₯)2 π π₯ 1 4) (a) Find the point(s) lying on the curve of the function: π¦ = π₯−3 at which the tangent is parallel to the straight line π₯ + π¦ = zero (b) From a house top of 25 meters high, the measurement of the angle of elevation of a tower top was 70° and the measurement of the angle of depression of the lower base was 30°, find the height of the tower known that the bases of the house and tower are at the same horizontal level. (5) (a) if the function π where π(π₯) = { π₯ 2 − 2 πππ πππβ π₯ ≤ 2 is differentiable when π₯ = 2, 2 π π₯ − 3 π πππ πππβ π₯ > 2 find the values of π and π. dπ¦ (b) Find d π₯ if: π¦ = (z3 − z2 ), z = 2 π₯ + 1 , when π₯ = −1 Calculus – School book Exam 2 ANSWER THE FOLLOWING QUESTIONS: (1) choose the correct answer: 1) The slope of the tangent to the curve of the function π where π(π₯) = 3 π₯ 2 + 2 π₯ − 1 when π₯ = 2 equals ….. a) 4 b) 8 c) 17 d) 14 2) sin A cos B − cos A sin B=… a) sin (A+B) b) cos (A+B) 3) ∫ π₯ 2 +3 π₯ π₯ d dπ₯ d) cos (A-B) ππ₯=β― 1 b) 2 π₯ 2 + 3 π₯ + πΆ a) π₯ + 3 4) c) sin (A-B) c) π₯ 2 + 3 π₯ + πΆ d) π₯ 3 +3 π₯ 2 π₯2 (sin π₯ cos π₯) = β― a) sin π₯ b) cos π₯ 1 c) 2 cos 2 π₯ d) cos 2 π₯ 2) (a) if π¦ = π(π₯) where π¦ = π₯ 2 − π π₯, find the slope of the tangent to the curve of the function π at the point (3,0) lying on it. 5 (b) if sec A = 4 and csc B = 13 5 , where π΄ and π΅ are the measurements of two acute angles, find π ππ (π΄ − π΅) 3) (a) discuss the differentiability of the function π where: π(π₯) = { π₯2 ,π₯ > 2 4 π₯ − 1, π₯ ≤ 2 when π₯ = 2 (b) find ∫(1 − πππ π₯)2 π π₯ 4) (a) A ship sailed from a certain point in the direction of 60° North of the west at velocity 26 km./hr and at the same time and place, another ship sailed in the direction of the east at velocity 15 km./hr. Find the distance between two ships after 3 hours. (b) if dπ¦ π¦ = π§ 5 + 3 , π§ = (π₯ − 1)3 , find the value of: d π₯ when π₯ = 2 π₯ 2 +1 5 dπ¦ 5) (a) if π¦ = ( π₯−3 ) ,find: d π₯ when π₯ = 1 (b) find the tangent equation to the curve of: π¦ = 2 π₯ sin π₯ cos π₯ when π₯ = π Practice Exam 1 1) How many three different digit numbers could be formed from the set of digits {1 , 3 , 6 , 7} ? a) 9 b) 12 c) 64 d) 24 1 2) The tangent equation of the curve: π¦ = π₯ 2 at the point which lies on the curve and its π₯ −coordinate = −1 is ……. a) π¦ = 2π₯ − 3 b) π¦ = 2π₯ + 3 c) π¦ = 3π₯ + 2 3) 1 − 2 sin2 35° = ………… a) sin 70° b) cos 70° 4) 17 ππ 17 π π−1 d) π₯ = 2π¦ + 3 c) cos 35° d) otherwise = ……. a) π b) π − 1 c) 7 − π d) 8 − π 5) If (0 , 1 , 2 , 3 , … … . ) Is an arithmetic sequence where Sm is the sum of the first π of the terms with odd orders and ππ is the same of the first π of the terms with even orders then a) m2 −1 b) n2 m2 −m n2 c) m(m+1) n2 −1 d) m2 −m Sm Sn = …….. n2 +n 6) A university students studies eight different subjects and cannot be promoted to the next grade till he succeeds in six subjects at least by how many ways can the student promoted to the next grade ? a) 17 πΆ3 b) 37 c) 28 d) 8 7) The number of the different ways can 4 students sit on 4 seats in form of a row equals ……. a) 4 + 4 b) 4 × 4 c) 4 × 3 × 2 × 1 d) 1 8) d dπ₯ (3π₯ 2 + 5π₯) = …… at π₯ = −1 a) −1 b) −3 c) −6 d) 3 9) If the geometric mean of the two numbers π , π equals 4 and the arithmetic mean of the two 1 1 1 numbers π , π equals 4 , then π + π = ……. a) 32.5 b) 8 c) 10 d) 16 10) From a point on the ground , a person observed the top of a tower to be at an angle of elevation of measure 32° , then this person walked 50 π. away from the tower base. He found that the top of the tower had an angle of elevation 27° , then the height of the tower β ……π a) 260 b) 220 c) 180 d) 138 11) In the arithmetic sequence (ππ ) = (32 , 28 , 24 , … . ) Find the least number of terms which makes the sum is as great as possible starting from the first term ? a) 8 b) 9 c) 10 d) 11 12) ∫ cos(2π) ππ₯ = …… a) sin(2π) + π b) cos(2π) + π c) (sin 2π)π₯ + π d) π₯ + π 3 5 13) If sin A = 5 , where : 90° < π΄ < 180° , sin π΅ = 13 where π΅ is an acute angle , find cos(A − B) , tan 2B 33 120 63 a) − 65 , 119 120 14 b) 65 , 119 65 c) 65 , −2 d) 14 , 2 ππ¦ 14) If π¦ = (z + 1)3 , z = π₯ 5 − 3 , then ππ₯ = ……. at π₯ = 1 a) 15 b) −15 c) 60 d) −60 1 15) The rate of change of the function π βΆ π(π₯) = √π₯ at π₯ = 4 equals ……. a) 2 1 b) 1 1 c) 2 d) 4 16) The sum of infinite terms of a geometric sequence (Tn ) = (3)3−π equals ……. a) 27 b) 27 c) 3 4 d) 27 2 17) Number of solutions of the equation nπ2 = 2 in β€ is …… a) zero b) 1 c) 2 d) infinite number 9 18) The next term in the geometric sequence (8 , 6 , 2 , a) 11 8 19) If π(π₯) = { a) 2 27 27 8 9 b) 16 , … . . ) is ……. 81 c) 4 d) 32 π₯2 + 2 , π₯ ≥ 1 , then π ′ (1+ ) = …… π₯2 − 2 , π₯ < 1 b) −2 c) zero d) not exist 20) The number of terms of a geometric sequence its first term = 243 and its last term = 1 and the sum of its terms = 364 equals …… a) 6 b) 7 c) 4 d) 8 21) sin 75° cos 15° + cos 75° sin 15° = ……… a) zero 1 b) 2 c) 1 d) √3 2 3 22) The tangent to the curve of the function π¦ = √π₯ at π₯ = 0 is ……. a) the π₯ −axis b) the π¦ −axis c) the straight line π¦ = π₯ d) the straight line π₯ + π¦ = 0 23) (1 + tan2 π₯)(1 − sin2 π₯)(sin π₯ cos π₯) = ……. a) 1 b) sin 2π₯ 1 c) 2 sin 2π₯ d) 2 sin 2π₯ 24) If (π1 , π2 , π3 , … ) is an arithmetic sequence with common difference (π1 ) and (π1 , π2 , π3 , … ) is an arithmetic sequence with common difference (π2 ) , then (π1 + π2 , π2 + π2 , π3 + π3 , … ) a) is an arithmetic sequence whose base (π1 + π2 ) b) is an arithmetic sequence whose base (π1 π2 ) c) is an arithmetic sequence whose base (π1 − π2 ) d) in not an arithmetic sequence 25) If π₯ ∈ [0 , π[ and π a) 9 tan π₯−cot 55° 1+tan π₯ cot 55° 4π b) = 1 , then π₯ = …….. c) 9 5π d) 9 4π 9 or 13π 9 26) If π is an even function and diiferentiable on β and π ′ (2) = 3 , then π ′ (−2) = ….. a) 3 1 b) −3 1 c) 3 d) − 3 27) If π , π , π form a geometric sequence , π is its common ratio , then all the following statements are true except …… π π2 π a) π = π b) π = π π+π c) π = ππ d) π = π+π 28) ∫ sin2 π₯ ππ₯ + ∫ cos 2 π₯ ππ₯ = ……. +π a) sin π₯ + cos π₯ b) π₯ 1 1 c) 3 sin3 π₯ + 3 cos3 π₯ d) sin π₯ − cos π₯ 29) The series : 1 + 4 + 9 + 16 is written in summation notation as ……… 2 a) ∑16 b) ∑4π=1(π 2 ) c) ∑4π=1 π π=1(π ) 30) If π βΆ π(π₯) = { π π₯2 , π₯ > 2 is differentiable at π₯ = 2 , find the value of π 4π₯ − π , π₯ ≤ 2 31) First negative term in the sequence (96 , 93 , 90 , … ) is ….. a) T33 b) T34 c) T35 d) T36 32) Which of the following is a geometric mean for the two quantities π4 , π16 ? a) π4 π16 b) π2 π 8 c) π2 π 4 d) π π 4 d) ∑16 π=1 π Practice Exam 2 1) ∫ π₯ 2 +3π₯ π₯ dπ₯ = ………. 1 b) 2 π₯ 2 + 3π₯ + π a) π₯ + 3 c) π₯ 2 + 3π₯ + π 2) The solution set of the equation 11πΆπ = 11πΆπ+2 is …… a) 3 b) −3 c) ± 3 d) π₯ 3 +3π₯ 2 π₯2 d) 6 3) The sum of the first term and fourth term in a decreasing geometric sequence = 70 The sum of the second and third terms = 60 , find the sum of infinite terms starting form its first term. 4) If π , π , π , π, π are positive numbers forming a geometric sequence , then the geometric mean of these terms is …… a) π b) √π π π π π c) −π d) −√π π π π π 5) The area of the triangle whose side lengths are 5 , 6 , 7 cm. equals ….. ππ2 . a) 3√6 b) 6√6 c) 15 d) 105 6) If (π₯ , 7 , π¦) form an arithmetic sequence and (π₯ + 2 , 5 , π¦ − 6) form a geometric sequence , then π¦ − π₯ = …… a) 3 b) 8 c) 11 d) 14 7) sin 75° sin 75° − cos 75° cos 75° = ……. 1 a) 2 b) √3 2 c) 1 d) zero 5 1 8) If π΄ and π΅ are two acute angles and tan A = 6 , tan B = 11 , then A + B = …….. a) 30° b) 60° c) 45° d) 75° 9) If Sn is the sum of the first π terms form an arithmetic sequence and S2n = 3 Sn , then S3n βΆ Sn = ……. a) 4 b) 6 c) 8 d) 10 10) The number of ways that 5 students can sit on 7 seats in one row equals ……. a) 7 b) 5 c) 7π5 d) 7πΆ5 11) The arithmetic sequence whose sixth term = 20 and the ratio between the fourth term and tenth term equals 4 βΆ 7 , then the sum of the first fifteen terms started from its third term = ……. a) 360 b) 380 c) 400 d) 420 12) If sin π₯ + cos π₯ = √2 , then sin 2π₯ = ……. a) 1 1 b) 2 c) √3 2 d) zero 13) If the average rate of change in π equals 2.4 when π₯ changes from 4 to 4.2 , then the variation in π = ……. a) 0.32 b) 0.48 c) 3.6 d) 7.2 14) The geometric sequence whose first term is π and its common ratio π is decreasing if ……… a) π > 0 , −1 < π < 0 b) π > 0 , 0 < π < 1 c) π < 0 , −1 < π < 0 d) π < 0 , 0 < π < 1 dπ¦ 15) If π¦ = tan π₯ , then : dπ₯ = ……. a) 1 + π¦ c) 1 + π¦ 2 b) 1 − π¦ d) 1 − π¦ 2 π₯ 2 + 2π₯ , π₯ ≤ 1 is ……. At π₯ = 1 4π₯ − 1 , π₯ > 1 a) continuous but not differentiable b) continuous and differentiable c) not continuous and not differentiable d) not continuous but differentiable 16) The function π βΆ π(π₯) = { 17) In the opposite figure : π΄π΅πΆ is a right-angled triangle at π΅ , prove that : π₯ + π¦ = 45° 18) If π + 1 = 30 π − 1 , then : π = …… a) 5 b) 6 c) 29 d) 30 19) If π + 1πΆ π−1 = 36 and π₯π 3 = 120 , find 3π − 4π₯ dy 20) If π₯ 2 + π¦ 2 = 9 + 2π₯π¦ , then : dx = ……. a) −1 π₯+π¦ b) 1 c) π¦−π₯ π₯−π¦ d) π₯+π¦ 21) ∫(2π₯ − 5)6 ππ₯ = ……… +π a) (π₯ 2 − 5π₯)6 1 b) 14 (2π₯ − 5)7 1 c) 14 (π₯ 2 − 5π₯)7 22) Which of the following functions is differentiable at = 2 ? 23) If π(3 − 2π₯) = 3π₯ 2 + 1 , then : π ′ (7) = ……. a) −12 b) −2 c) 6 d) 42 1 d) 2 (2π₯ − 5)7 56 16 24) If sin(A + B) = 65 , sin(A − B) = − 65 , then sin A cos B = …….. 5 4 a) 13 7 b) 13 5 c) 13 d) − 13 25) If 5 geometric means are inserted between π and π , then the third mean is …… 1 4 a) π5 π 5 b) ππ 4 c) √ππ 2 1 d) π5 π 5 26) The ππ‘β term of an arithmetic sequence = π2 and the ππ‘β term = π2 , then the common difference of the sequence π = ……. a) π2 + π2 − 2 b) π + π c) −π − π d) −π + π 27) The number of terms of the geometric sequence (5 , 10 , 20 , … . , 1280) equals …….. terms. a) 8 b) 7 c) 10 d) 9 28) If π = π , then π − 1 = ……. a) π − 1 b) π π π c) π + π d) π 29) ∫ cos(3π₯ + 1) ππ₯ = π sin(3π₯ + 1) + π , then π = …… a) 3 1 b) 3 c) 1 1 d) 9 30) The first term of a geometric sequence equals the sum of the next infinite terms , then the common ratio of this sequence equals ……. a) 0.5 b) 0.333 c) 0.25 d) 0.666 1 31) Find the equation of the tangent to the curve of the function π βΆ π(π₯) = π₯+1 at the point (0 , 1) which lies on it. 32) The first term of an arithmetic sequence = 5 , Tn+1 = Tn + 3 , then the fifth term = ……. a) 12 b) 20 c) 17 d) 19 Practice Exam 3 1) If nπΆ10 = nπΆ14 , then : a) 24 25πΆ π = …… b) 25 c) 1 d) 49 2) The first term of a geometric sequence is (π) and its last term (π) and its number of terms (π) , then the product of all its terms of π , π , π is ……. π a) π 2 (π ) π b) (π π)π π c) (π π) 3 d) (π π) 2 3) How many even numbers consists of 3 different digits could be formed from the set of digits {2 , 3 , 4 , 5 , 7} 4) If π(π₯) = π₯ 2 + 3 , then the rate of change of the function π at π₯ = 5 equals …… a) 2 b) 5 c) 10 d) 20 5) In the arithmetic sequence (Tn ) , Tn − Tm = …….. a) π b) (π − π) c) π(π − π) 6) The value of the series ∑7π=3(3π − 1) equals …….. a) 62 b) 70 c) 75 π d) (π + π) d) 77 3 7) If π ∈ ]0 , 2 [ , sin π = 5 , then tan 2π = …….. a) 15 24 b) 17 8 3 c) 4 d) 24 7 8) If π , π , π are positive real numbers , prove that : (π + π)(π + π)(π + π) ≥ 8 π π π 9) The sum of infinite terms of the sequence (32 , 16 , 8 , … ) equals ……… a) 72 b) 64 c) 48 d) 24 10) As a person approaches to the base of a tower on the horizontal line passes through the base of the tower then the measure of the elevation angle of the top of the lower will ….. a) decrease b) remain constant c) increase d) vanish 11) 1+cos 2π₯ sin 2π₯ a) tan π₯ = ……. b) cos π₯ 12) If nπΆπ = nππ , then : π = ………. a) zero b) 1 c) sin π₯ c) zero or 1 d) cot π₯ d) 2 or zero 13) In the opposite figure : π΄π΅πΆ is a right-angled triangle , then : tan π = ………. 2 3 a) 11 b) 11 c) 2 d) 4 1 3 14) Water is poured into a tank at rate that the quantity of water each day is twice the quantity of water was poured the day before if 12 liters of water poured on the first day , then the day that 1536 liters of water were poured is the …… day. a) 6π‘β b) 7π‘β c) 8π‘β d) 10π‘β 15) Find each of the following : 1) ∫ (2π₯ + 3)4 ππ₯ 2) ∫ sin5 4π₯ sin 8π₯ ππ₯ ππ¦ 16) If π¦ = sin 2π₯ , then : ππ₯ = ……. at π₯ = a) 2 b) 1 π 6 1 c) 2 d) √3 17) An arithmetic sequence consists of 15 terms and its middle term is 23 , then the sum of terms of this sequence = ……… a) 345 b) 225 c) 450 d) 690 1 18) Find the solution set of the equation : cos π₯ − 2 sin2 2 π₯ = 0 where 0 < π₯ < 360° 1 19) If ∫ π₯ πΎ ππ₯ = 3 π₯ 3 + π , then : πΎ = ……. a) −1 b) 1 c) 2 d) 3 20) 7 arithmetic means are inserted between the two numbers : −24 , 16 , then the fourth mean = ……. a) −14 b) −9 c) −4 d) 1 21) If 4 friends shake hands each other. How many hand shakes are done between them ? a) 16 b) 8 c) 6 d) 4 22) The slope of the tangent to the curve π¦ = 3π₯ 2 + 2π₯ + 1 at π₯ = 2 equals …… a) 5 b) 8 c) 14 d) 17 23) If π is a function and : π(1) = 5 , π ′ (1) = 4 , then : lim π(π₯) =…….. a) 5 b) 4 c) 9 π₯→1 d) does not exist 1 24) ∫ π₯ 2 (4π₯ − π₯ 2 ) ππ₯ = ……. +π a) 4π₯ 3 − 1 b) π₯ 4 − π₯ 1 1 c) 2π₯ 2 − π₯ 3 25) The solution set in β for the equation (π₯)! = 1 is ……. a) {1} b) {zero} c) {0 , 1} d) π₯ 4 − π₯ 3 d) {1 , −1} 26) The point lies on the curve of the function π¦ = (π₯ − 3)2 − 1 at which the tangent parallel to the straight line 2π₯ + π¦ − 3 = 0 is …… a) (3 , 1) b) (1 , 3) c) (2 , 0) d) (3 , 0) or (0 , 4) 27) If (π , π , π , … . )is an arithmetic sequence , then : (π + 2π − π)(2π + π − π)(π + 2π + π) = …….. a) 3 πππ b) 4 πππ c) 8 πππ d) 16 πππ ππ¦ 28) If π¦ = (π§ + 1)3 , π§ = π₯ 5 − 1 , then ππ₯ = ……. a) π₯15 b) π₯ 8 c) 15 π₯14 d) 8 π₯ 7 1 1 1 29) If ( π , π , π , … . ) is a geometric sequence , its common ratio is (π) , then (π , π , π , … . ) Represents a geometric sequence , its common ratio equals …… 1 a) π 1 c) π 2 b) π d) π 2 30) The measure of the positive angle that the tangent to the curve of the function π where π₯+2 π(π₯) = π₯−2 makes with the positive direction of π₯ − ππ₯ππ at the point (0 , −1) equals ………. a) 45° 1 b) 67 2 ° c) 135° d) 150° π π 31) The value of π₯ which makes the expression :cos π₯ cos 6 + sin π₯ sin 6 has minimum value is ……. a) π 3 b) π 2 c) π d) 7π 6 32) The sum of π terms of a sequence is given by the relation Sn = π2 − 2π , then its fifth term = ……. a) 35 b) 15 c) 10 d) 7 Practice Exam 4 1) The sum of the series : 89 + 85 + 81 + β― + 33 equals ……. a) 1830 2) If π(π₯) = b) 1630 1 π₯ 2 +1 c) 915 d) 915 2 and : π(π) = π′(π) , then : π(π) = …… a) 3 1 1 b) 2 c) 4 d) 4 3) ∫ cos(2π₯ + 3) ππ₯ = ……. 1 a) 2 sin(2π₯ + 3) + π b) 2 sin(2π₯) + π 1 c) 2 sin(2π₯ + 3) + π d) sin(2π₯ + 3) + π 4) cos 2 π − cos 2π = ……. a) sin π c) sin2 π b) cos π d) cos 2 π 5) If π 3π − 1 = 240 , and8ππ+1 = 336 find 2nπΆπ 6) If π¦ = 1 z−1 z+1 dπ¦ , π§ = √π₯ 2 + 3 , then dπ₯ = ……. at π₯ = 1 2 a) 2 7) If 1 b) 9 tan π₯ 1−tan2 π₯ c) 9 1 d) 3 = 3 , then tan 2π₯ = ……. a) 3 b) −3 c) 6 π) − 6 21 8) ∑10 π=1(2π + 1) + ∑π=11(2π + 1) =……. a) ∑21 π=1(2π + 1) 2 b) ∑21 π=1(2π + 1) c) ∑21 π=1(4π + 2) d) ∑21 π=1(2π + 2) ππ₯ 2 + 1 , π₯ ≥ 2 is differentiable at π₯ = 2 , then π = ……. 4π₯ − 3 , π₯ < 2 c) 3 d) 4 9) If the function π βΆ π(π₯) = { a) 1 b) 2 ππ¦ 10) If π¦ = √π₯ + √π₯ + √π₯ + √… , then : = …… ππ₯ a) 1 1 b) π₯π¦ 1 c) 2π¦+1 1 d) 2π¦−1 11) If (29 , π₯ , … . , 3π₯ . 95) is an arithmetic sequence, then π₯ = …… a) 21 b) 31 c) 95 d) 124 12) If (Tn ) = (3 × 2−π ) is a geometric sequence then the sum of infinite terms starting from its first term = ……… a) 2 b) 3 c) 4 d) 9 13) If π is divisible by 7 and 13 , then ……… a) π ≤ 7 b) π = 10 c) 7 ≤ π ≤ 13 d) π ≥ 13 14) The number of two different digit numbers can be formed from the digits {3 , 4 , 0 , 7} equals ……….. a) 6 15) If sin A = b) 8 c) 9 d) 12 4 12 where0 < π΄ < 90° , cos π΅ = − 13 where ° < π΅ < 180° , find csc(π΄ − π΅). 5 16) On the ground 50 metrers away from the base of a tower , the top of the tower has an elevation angle of measure 30° , then the height of the tower = …….. π. a) 50 sin 30° b) 50 cos 30° c) 50 tan 30° d) 50√3 17) The sum of the second mean and fourth mean from an arithmetic sequence equals 12 and the seventh mean is more than the third mean by 4 , then the sequence is ……. a) (3 , 4 , 5 , … ) b) (3 , 5 , 7 , … . ) c) (5 , 4 , 3 , … ) d) (3 , 7 , 11 , … ) 18) The slope of the tangent to the curve π¦ = sin 2π₯ at π₯ = a) 1 b) π§πππ c) −1 π equals …….. 2 d) −2 19) The average rate of change of the function π βΆ π(π₯) = π₯ 2 + 1 when π₯ changes from 2 to 2.5 equals …….. a) 4.5 b) 5.4 c) 0.54 d) 0.45 20) If the geometric mean of the two numbers 9 and π¦ is 15 , then π¦ = ……. a) 135 b) 10 c) 25 d) ± 25 21) The number of ways of arranging 7 kids in a circle equals …….. a) 1 b) 7 c) 720 d) 5040 22) If π ∈ β€+ and π(π₯) = π π₯ π , π ′ (1) = 9 , then π = ……. a) 2 b) 3 c) 4 d) 5 23) In the given figure : tan(∠π΅πΆπ·) =…….. 3 31 a) 5 b) c) d) 4 31 8 24) ∑π π=0 ππΆ π = …… a) 2π 3 3 b) 2π c) π d) π 25) If a clock chimes once at one o’clock and twice at two and so on , then find the number of chimes of this clock on one day. 26) If (π₯ , π¦, π§) are different positive numbers from an arithmetic sequence and π is the geometric mean between π₯ and π¦ and π is the geometric mean between π¦ and π§ , then ……. π π a) π¦ > ππ b) π¦ 2 > ππ c) π¦ 2 < π d) π¦ < π 27) If sin π₯ cos 3 π₯ − cos π₯ sin3 π₯ = 1 1 a) 2 b) 4 1 8 , then : sin 4π₯ = …….. 1 c) 1 d) 8 28) π arithmetic means are inserted between 3 and 51 , then the sum of the formed arithmetic sequence equals ……… a) 27(π − 2) b) 27(π − 1) 1 29) The sequence ( √3 , 2 √3 c) 27(π + 1) d) 27(π + 2) , √3 , … ) is ……… a) a geometric sequence with common ratio 2 b) a geometric sequence with common ration √3 3 c) an arithmetic sequence with common difference 1 d) an arithmetic sequence with common difference 30) π ππ₯ √3 3 (π(π₯). π(π₯)) = ……. a) π ′ (π₯) . π′ (π₯) b) π(π₯). π′ (π₯) c) π ′ (π₯) . π(π₯) d) π(π₯) . π′ (π₯) + π ′ (π₯). π(π₯) 31) For any geometric sequence ,π1 × π5 = …….. a) (π3 )2 b) (π1 )2 c) (π5 )2 d) (π2 )2 32) Find the equation of the tangent to the curve π₯ 4 + π¦ 4 = 17 at the point (1 , 2) Practice Exam 5 1) The geometric mean of the numbers: 3,9 and 1 is …………. a) ±3√3 b) ±3 c) 3 d) 9 2) If π(π₯) = 5 g(π₯) + 20 , gΜ (π₯) = β― a)πΜ (π₯) 3) d dπ₯ b) πΜ(π₯) − 20 1Μ d) 5 π (π₯) c) 5 πΜ(π₯) π (sin 6 ) = β― a) πππ π 1 b) 2 6 4) If the function π: π(π₯) = { a) – 2 π c) zero d) 6 π₯2 + π , π₯ ≤ 2 is differentiable at π₯ = 2, then π − π = β― π π₯ + π, π₯ > 2 b) – 4 c) 4 d) zero 5) From the top of a hill, a man observed the angles of depression of the top and the base of a tower and their measures were 22° πππ 30°respectively where the two bases of the hill and the tower are on the same horizontal level, if the height of the tower 50 π, find the height of hill to the nearest meter. 6) The number of terms of the arithmetic sequence (5,9,13, … ,205) is ………. a) 35 b) 45 c) 51 d) 50 7) If the number of ways of choosing 3 elements together from n elements is 10, then π = β― a) 30 b) 10 c) 6 d) 5 8) πππ 40° πππ 20°−π ππ 40° π ππ 20° π ππ 15° πππ 15° =β― 1 a) 1 b) 2 9) In the opposite figure:tan π₯ = β― 7 5 a) 17 b) 13 c) 12 d) 35 5 12 c) 2 d) 3 10) ∑6π=2(π 2 + π + 1) = β― a) 1115 b) 115 c) 1015 d) 5115 11) If the arithmetic mean of two positive numbers is 7.5 and their geometric mean is 6, then the difference between the two numbers = …………. a) 3 b) 5 c) 7 d) 9 12) ∫(2 π₯ + 1)−4 ππ₯ = β― a) (2 π₯ + 1)−3 + π b) (2 π₯ + 1)5 + π c) −1 6 (2 π₯ + 1)−3 + π d) −8π₯ 2 ππ¦ 13) If π¦ = (π§ + 1)5 , π§ = π₯ 2 − π₯ + 1 , ππ₯ = β― ππ‘ π₯ = 1 a) 80 14) If cos B = a) zero b) 100 1 3 c) 120 d) 160 , cos 2 B = β― b) −2 3 15) If 3π − 7 = 120 , then nπΆπ−1 = β― a) zero b) 1 c) −7 9 c) 4 2 d) 3 d) 64 16) If (Tn ) is an arithmetic sequence in which T1 +T5 +T10 =64, then the sum of the first 15 terms = ….. a) 120 b) 180 c) 240 d) 360 17) If nπΆπ = 1, π = β―where n , π ∈ π , π ≤ π a) 1 b) zero c) 1 or n d) zero or n 18) The slope of the tangent to the curve of the function π¦ = sin π₯ cos π₯ = β― a) cos π₯ − sin π₯ b) sin2 x cos2 π₯ c) cos 2 5 d) 1 19) In the opposite figure: the area of β π΄π΅πΆ = β― ππ2 a) 6√6 b) 9√6 c) 9√3 d) 2√6 20) Find the number of terms necessary to be taken from the sequences (25,23,21, … ) starting from the first term to make the sum equal to 120. 21) An arithmetic sequence in which S5 -S4 =20, S8 -S7 =29, T51 =… a) 49 b) 98 c) 155 1 22) If π(π₯) = ∫ π₯ π π₯ , πΜ (2) = β― 1 c) 2 b) 13 c) 13 a) does not exist b) π₯ + π d) 158 1 d) 2 23) If ∑25 π=1(3 + π π) = 100 , π = β― a) 25 1 1 d) 25 24) An infinite geometric sequence in which the first and the second terms are two positive integers, and their sum is 3, then S∞ =… a) 4 b) 8 c) 64 d) 1023 25) The license plates of cars in a governorate start with three letters followed by three digits except zero. How many plates can be got assuming that there is no repetition for any letter or digit in the license plates? 26) If π and π are two arithmetic means between π₯ and π¦ , π, π are two geometric means between π₯ and π¦, then π₯+π¦ a) 2 π₯ π¦ π+π ππ =β― b) 2π₯π¦ c) π₯+π¦ −1 1 −1 27) The nth term of the geometric sequence ( 2 , 4 , −1 π−1 a)( 2 ) 1 π−1 8 b) (2) π₯+π¦ π₯π¦ d) π₯π¦ π₯+ π¦ , … ) is ………… 1 π c) (2) −1 π d) ( 2 ) 28) Find the average rate of change in the volume of the cube when its edge length varies from 5 cm to 7 cm a) 125 b) 343 c) 218 d) 109 29) ∫(sin2 3 π₯ + cos2 3 π₯ + tan2 3 π₯)π π₯ = β― + π 1 a) 3 π‘ππ 3 π₯ 1 b) π ππ 2 3 π₯ c) 3 π ππ 2 3 π₯ d) π‘ππ 3 π₯ 30) The number of diagonals of octagon = ………… a) 8πΆ2 b)6 ×8πΆ2 c) 8πΆ2 − 8 1 d) 2 8πΆ2 31) If the tangent to the curve: π¦ = π₯ 3 − 3 π₯ 2 makes an obtuse angle with the positive direction of π₯ − ππ₯ππ , then π₯ ∈ β― a) [0,2] b) ]0,2[ c) π − [0,2] d) π − ]0,2[ 32) csc 2A+cot 2A=… a) tan A b) cot A c) sec A d) csc A Practice Exam 6 1) If g(π₯) = 3 π₯ + 5 , π(π₯) = { a) 66 π₯, π₯<0 , then (π βg)Μ(2) = β― 2 π₯ , π₯≥0 b) 54 c) 12 d) 3 2) Find the equation of the tangent to the curve of the function: f:f(x)=2 tan x-cos2 x at the point (0, −1) 7 π 3) If cos 2 A= 25 , then π ππ π΄ = β― where π΄ ∈ ]0, 2 [ 16 3 a) 25 4 b) 5 9 4) If π(π₯) = π₯ + π₯ , πΜ (π₯) = 0 when π₯ = β― a) 3 b) – 3 5 c) 5 d) 4 c) ±3 d) ±9 5) If (8, π, … , π, 68) is an arithmetic sequence, the number of its terms 16 , then π − π = β― a) 64 b) 76 c) 52 d) 60 6) If π − 2 = 24, then 8πΆπ = β― a) 24 b) 26 c) 28 d) 32 7) A ship sailed from a certain point in the direction of 60° north of the west with velocity 26 km/hr at the same time and place another ship moves in the direction of east with velocity 15 km/hr, find the distance between the two ships after 3 hours. 8) The sum of the sequence (3,6,12, … ,384) equals ………… a) 756 b) 567 c) 657 d) 765 9) If nππ−1 = 6720, nπΆπ−1 = 56, then find the value of each r and n. 10) The number of ways of choosing a book and a magazine from a set of 6 books and 7 magazines is … a) 42 b) 13 c) 1 d) 7 7 11) If sin A + cos A = where π΄ is an acute angle, then πππ 2 π΄ = β― 24 a) 25 5 b) ± 24 25 7 c) 25 7 d) ± 25 12) ∫(2 π₯ + 1)5 π π₯ = β― a) (2 π₯ + 1)6 + π 13) Is any arithmetic sequence (Tn ), a) 5 1 b) (2 π₯ + 1)6 T45 +T51 T48 b) 4 c) 2 (2 π₯ + 1)6 + π 1 d) 12 (2 π₯ + 1)6 + π =… c) 3 d) 2 14) A geometric sequence in which the sum of an infinite number of its terms starting from its first term equals 108 and its first term is greater than its second term by 12, then find the sequence. 15) The number if arrangements formed from 3 elements that can be formed from 6 elements equals … a) 3 b) 6 π3 c) 6 πΆ3 d) 6 × 3 16) If some arithmetic means are inserted between 8 and 62 and the sum of the second and sixth means equals 40, then the number of this means = ……….. a) 13 b) 15 c) 17 d) 19 … 17) tan A-tan B= cos A cos B a) sin (A+B) b) sin (A-B) c) cos (A-B) 18) ∑9π=1(cos (10 π) − sin(10 π)) = β― a) 2 b) ∑9π=1 = π c) – 1 d) sin A-sin B d) ∑9π=1(sin(10 π) − cos(10 π)) ππ¦ 19) If π¦ = π§ 3 − 5 , π§ = 2 π₯ 2 − 3 π₯ , π π₯ = β― at π₯ = 1 a) 1 b) 3 c) 5 d) 7 20) If the equation of the normal to the curve π(π₯) at the point (2, −1) is π₯ − 2 π¦ = 4 , Μπ (2) = β― a) 2 b) – 2 c) 1 d) – 1 21) In any geometric sequence (Tn ), a) 1 π7 ×π11 =… (π9 )2 b) ±1 π c) 77 9 d) 2 π 22) If π(π₯) = π‘ππ π₯ , π (π₯ + 4 ) × π (π₯ − 4 ) = β― a) – 1 b) 1 c) π‘ππ 2 π₯ d) −π‘ππ 2 π₯ 23) If π, π, π are three positive consecutive terms of a non-constant geometric sequence, then…….. a) π+π 2 b) >π π+π 2 c) <π π+π d) π 2 = π + π =π 2 24) The average rate of change of π where π(π₯) = π₯ 2 + 3 π₯ + 5 when π₯ varies from 1 to 3 equals ….. a) 1 b) 3 c) 7 d) 9 25) The solution set of the equation: a) {5} 26) ∫ b) {6} 2 cos2 π₯+1 cos2 π₯ π₯ 10 = x-1ππ₯−3 is …………….. c) {7} d) {8} π π₯ = β―+π a) 2 π₯ + tan π₯ b) 2 sin π₯ + tan π₯ c) 2 tan2 π₯ + 1 d) sin π₯ + cos π₯ 27) The tenth term in the sequence (1,1,2,3,5,8,13, … ) is ……….. a) 29 b) 34 c) 55 d) 89 3 28) If tan 2 π₯ = 4 , tan π₯ = β― 1 a) 3 or − 3 1 b) − 3 or − 3 1 1 c) −3 or 3 1 d) 3 or 3 1 29) The sum of series (1 + π₯ + π₯ 2 + β― ) equals ……….. where π₯ > 1 1 a) π₯−1 π b) π₯ 1−π₯ π₯ c) π₯−1 π₯ d) π₯ 2 −1 ππ 30) π π₯ ( √π₯ 2 ) = … π a) √2π₯ 1π b) √2π₯ 3 c) 2 π 3 √π₯ 2π d) √π₯ 3 31) The general term of the sequence ((2 × 3), (3 × 4), (4 × 5), (5 × 6), … ) is Tn =… a) (π − 1)(π + 1) b) π(π + 1) c) 2 π(π + 1) d) (π + 1)(π + 2) 32) If π(π₯) = (2π₯ + 1) × β(π₯) and π(2) = 15 , βΜ(2) = 4, πΜ(2) = β― a) 26 b) 28 c) 30 d) 32 Practice Exam 7 1) The first derivative for the function :π¦ = (6π₯ 3 + 3π₯ + 10)10 at π₯ = −1 equals …….. [a] −150 [b] −50 [c] 50 [d] 210 2) The average rate of change of the function π: π(π₯) = π₯ 2 when π₯ changes from 5 to 5.2 is …… [a] 0.1 [b] 0.2 [c] 10.2 [d] 2.04 2 3) If sin π₯ = 3, then cos 2π₯ = ……….. [a] 1 [b] − 9 1 [c] 9 8 [d] 9 7 9 4) In βπ΄π΅πΆ, π = 18cm, π = 30 cm., π = 24 cm., then the area of the circle inscribed in the triangle = ………cm2 [a] 6π [b] 216 [c] 36π [d] 9π 1 5) ∫ 2 sin(6 π) ππ₯ = …………. +π 1 [a] 2 cos(3 π) 1 [b] −2 cos(3 π) ππ¦ [c] π₯ 6) If π¦ = 2π₯ sin π₯ cos π₯, then ππ₯ = ……….. at π₯ = [a] −π [b] π [d] 2 π 2 π π [c] 2 [d] − 2 7) If π(π₯) = π₯ 2 − 3, π(π₯) = π₯ 2 + 2, then (π β π)′ (π₯) = ……….. [a] 4π₯(π₯ 2 − 3) [b] 4π₯ [c] 2π₯(2π₯ 2 − 1) 1 π−1 8) The value of the series ∑∞ π=1 20 × (2) [a] 40 [b] 80 [d] 2π₯(π₯ 2 − 4) equals ……….. [c] 100 [d] 400 9) The sum of the integers between 2 and 100 which divisible by 3 equals………… [a] 1632 [b] 1683 [c] 2466 [d] 3366 10) If 1 9 + 1 10 = π₯ 11 , then :π₯ = …………….. [a] 1 [b] 11 [c] 121 [d] 132 11) The number of ways of answering only 4 questions in an exam consists of 6 questions = ……. [a] 30 [b] 15 [c] 24 [d] 10 ππ¦ 12) If π¦ 4 = π₯ 3 , then ππ₯ equals ……………. At π₯ = 1 4 [a] ± 3 [b] 1 3 [c] ± 4 [d] zero 13) In the opposite figure: Μ Μ Μ Μ ) The distance between two houses is 50 m., the top of the house (πΆπ· has an elevation angle of measure 35° from the top of the house Μ Μ Μ Μ ), the height of the house (π΄π΅ Μ Μ Μ Μ ) = 20 m. and the bases of the two (π΄π΅ Μ Μ Μ Μ ) to the houses on the same horizontal plane, find the height of (πΆπ· nearest meter. 14) tan(135° + A) = ………….. [a] −1 + tan A sin A−cos A [b] sin A+cos π΄ sin A+cos A [c] sin 5−cos A [d] 1 + tan A 15) From the set of letters {a,b,c,d,e,f} , the number of ways of selecting two different letters taking order in consideration equals …………. [a] 6P2 [b]6C2 [c] (6)2 [d] (2)6 16) If the straight line : π¦ + π₯ − 1 = 0 touches the curve of the function π: π(π₯) = π₯ 2 − 3π₯ + π, then π = …… [a] 1 [b] 2 [c] 3 [d] 4 17) The terms of an arithmetic sequence are positive T7 = 2 T4 − 6 and the first, second and fifth term form a geometric sequence, then the common difference of the arithmetic sequence could be ………… [a] 6 [b] 12 [c] 15 [d] 18 18) The geometric mean of two positive numbers equals 8 and their arithmetic mean is more than their geometric mean by 2, then the difference between the two numbers = …………… [a] 4 [b] 8 [c] 12 [d] 16 1 1 19) If Sn is the sum of the first π terms from the geometric sequence ( 1 , 2 , 4 , … ), ππ′ is the sum 1 1 of the first π terms from the geometric sequence (1, − 2 , 4 , … ) where π is an even, then ππ = …………. [a] 2S'n [b] 3S'n 3 [c] 2 S'n 20) The tenth term from the sequence (13,16,19, … ,100) equals ……….. [a] 27 [b] 32 [c] 35 2 [d] 3 S'n [d] 40 21) If 2π = 24, mCn =6C2π+1 , find the value of π 1 22) If B − 2A = 180° and tan π΄ = 2, then tan B = ………….. 1 [a] 3 2 [b] 3 4 [c] 3 3 [d] 4 23) The first five terms in the sequence in which π1 = 1, π2 = 2 , ππ = ππ−1 + ππ−2 forever π > 2 is …………. [a] (1,2,3,4,5) [b] (1,2,4,8,16) [c] (1,2,3,5,8) [d] (1,2,3,6,12) 24) If ∑ππ=1(3) = 12 and π(π₯) = 3 − 2π₯ + π₯ 2 , find ∑ππ=1(π(π)). 25) In an arithmetic sequence, T17 = 73, T73 = 17, then the order of the term whose value equals zero is ………… [a] 36 [b] 89 [c] 90 [d] 91 ππ¦ 26) If π¦ = π§ 7 , z = π₯ 3 + 2π₯ 2 − 4, find ππ₯ at π₯ = 1 27) If π₯ + π¦ = 5π 6 , then (sin π₯ − cos π¦)2 + (cos π₯ − sin π¦)2 = …………… 3 [a] 1 [b] 2 [c] 2 [d] 3 28) If (a,b,c,20,k,e,f) form an arithmetic sequence, then a + b + c + k + e + f = ………… [a] 60 [b] 80 [c] 100 [d] 120 29) lim π 4 β→0 sin β [a] π 4 sin( +β)−sin( ) β β = ……………. [b] sin β [c] cos β π [d] cos 4 30) If (Tn ),(T'n ) are two geometric sequences which of the following form a geometric sequence? [a] (Tn )k [b] (k T'n ) [c] (Tn T'n ) [d] all the previous 31) ∫ π₯− 1 2 √2π₯−1 1 dπ₯ = ………. +π [a] 6 √2π₯ − 1 1 [b] 6 √(2π₯ − 1)3 32) If 7 =7Pπ₯ , then π₯ = ………….. [a] 6 or 7 [b] 7 1 [c] 6√2π₯−1 [c] 1 or zero 1 [d] 2 √(2π₯ − 1)3 [d] 5040 Practice Exam 8 1) If π − 5 = 1, then π ∈ …….. [a] {6} [b] {5,6} 2) If π: π(π₯) = { 3 ππ₯ + 5 π π₯ 2 + 4π [a] 2 [c] {1} [d] {5} ,π₯ ≤ 1 is differentiable at π₯ = 1, π(1) = 11, then π + π = ………. ,π₯ > 1 [b] 3 [c] 4 [d] 5 3) A 100 meter tower is built on a rock from a point on the ground on the horizontal plane passing through the base of the rock, the measure of the elevation angles of the top and the base of the tower were 76°, 46° respectively, find the height of the rock to the nearest meter. 4) The perimeter of a triangle = 12 cm. and its area = 6 cm2, then the radius length of the circle touches its sides internally = ……….. cm 1 a. [a] 1 [b] 2 [c] 2 [d] 5 5) The order of the term whose value equals zero in the arithmetic sequence (22,20,18,….) is ……….. [a] 8 [b] 10 [c] 12 [d] 14 6) By how many ways a man and two women can be elected to form a committee from 5 men and 14 women? [a] 5C1 ×14C2 [b] 19C3 [c] 6P1 ×14P2 [d] 19P3 7) The sum of infinite terms of geometric sequence (ππ ), if T1 = 1, Tn = 2 Tn+1 equals ………….. [a] ∞ 8) If [b] 2 2π× π−1 2π−1× π+1 [a] 3 [c] 3 2 [d] 2 1 [c] 7 [d] 9 1 = , then π = …………… 3 [b] 5 dy 9) If π¦ = (π₯ 2 + 2)(5 − π₯), then dx = ………… at π₯ = 1 [a] −15 [b] 5 [c] −5 10) If π is a function and π ′ (1) = 2π(1) = 4, then lim β→0 4 [a] zero π(1+β)−2 [b] 3 3β [d] 2 = ………… 1 [c] 12 [d] 4 11) tan π₯ − tan 25° = 1 + tan π₯ tan 25°, then π₯ = ………. [a] 20° [b] 60° [c] 70° [d] 110° π₯ 12) ∫ sec 2 2 ππ₯ = ……….. +π 1 π₯ [a] 2 tan 2 π₯ [b] 2 tan 2 1 [c] 2 tan π₯ [d] 2 tan π₯ 13) If π¦ = sin π₯, then π¦ ′ = ………… [a] π¦ cos π₯ [b] π¦ tan π₯ [c] π¦ cot π₯ [d] π¦ sin π₯ 14) In the opposite figure: ABCD is a rectangle, then sin π =…………… [a] 24 5 24 4 [b] 25 12 [c] 5 [d] 25 1 3 π₯ 7 15) If π₯1 , π₯2 are two roots of the equation π₯ 2 + (π − 1)π₯ + π = zero and ∑2π=1 π₯π = 3, ∑2π=1 = , then π − π = …. [a] 7 [b] −2 [c] 9 [d] 16 16) All terms of a geometric sequences are positive and π1 = 4π3 , π2 + π5 = 36, then the sum of its first seven terms = …….. [a] 49 [b] 127 [c] 189 [d] 215 17) If the sum of π terms from an arithmetic sequence defined by the rule ππ = 2π(7 − π), find the number of terms should be taken from the first term to get sum equals −240. 18) How many terms should be taken from the sequence (35,30,25,….) starting from the first term to get sum 135? [a] 6 or 9 [b] 6 or 15 [c] 9 or 15 [d] 15 or 18 19) If 2n+1C2n-1 − 2 ×n+2Cn = 46, find the value of π. 20) The number of boys in a class is twice the number of girls, if the number of ways of choosing a boy and a girl is 72, then the number of boys = ………… [a] 4 [b] 6 [c] 12 [d] 18 d 21) If dx (ππ₯)3 = 24 at π₯ = 1, then π = ………….. 1 [a] 4 1 [b] 1 2 [c] 1 [d] 2 22) If tan π₯ − cot π₯ = 3, then tan 2π₯ =…………….. [a] 6 2 [b] 3 2 [c] − 3 3 [d] 2 1 1 1 23) If the arithmetic mean between π, π equals 9, the arithmetic mean between π , π equals 4, then the positive geometric mean between π, π equals ………….. [a] 6.5 [b] 6 [c] 3 [d] 2 24) The radius length of a circle is π, then the average rate of change in its area when π changes from (π1) to (π1 + β) is ……….. [a] π π12 [b] 2 π π1 [c] π(2π1 + β) [d] ππ1 + β 25) If (x,y,z,…..) form a geometric sequence, then ………. [a] 2π¦ < π₯ + π§ [b] π¦ 2 > π₯π§ [c] π¦ = π₯π§ [d] √π¦ = π₯π§ 3 26) Find the equation of the normal to the curve π¦ = tan(π − 4 π₯)at the point (π, 1) 25 27) If cos2 π΄ = 169 where ∈]π, 120 3π 2 A [ , then cos 2 = ………….. 4 [a] 169 5 [b] 13 2 [c] − 13 [d] − [c] 15 π₯14 [d] 8 π₯ 7 √13 dπ¦ 28) If π¦ = (π§ + 1)3 , π§ = π₯ 5 − 1, then dπ₯ = ………… [a] π₯15 [b] π₯ 8 29) If the sum of the first π terms from a geometric sequence is given by the relation ππ = 128 − 27−π , then the common ratio of the sequence = …………. [a] 2 1 [b] −2 1 [c] 2 [d] − 2 30) If ∫ π₯√π₯ 2 − 15dπ₯ = π√(π₯ 2 − 15)3 + π, then π = …………….. 1 [a] 3 3 [b] 3 1 [c] 2 [d] 2 31) In an arithmetic sequence, the fifth mean is the ……….. term [a] fifth [b] fourth [c] sixth [d] tenth 32) Which of the following geometric sequence have the same common ratio: [1] (π, π, 2 b a ,…) [a] only 1 , 2 1 [2] (ab , [b] only 1 , 3 1 2 b , a 3 b ,…) 1 1 b [3] ( − b , − a , − a2 ,….) [c] only 2 , 3 [d] 1 , 2 , 3 Practice Exam 9 1) The sum of odd ordered terms from the arithmetic sequence (2,5,8,….,110) equals ………… [a] 1064 [b] 1008 [c] 1640 [d] 2072 2) ∫ π(π₯). π ′ (π₯)ππ₯ = ……………. 1 [a] π(π₯) + π [b] [π(π₯)]2 + π 1 [c] 2 π(π₯) + π 2 3 3) If tan A = 4 , tan π΅ = 33 12 5 where A and B are two acute angles, then sin(π΄ − π΅) = ………….. 33 [a] 65 [d] [π(π₯)]2 + π [b] − 65 56 56 [c] 65 [d] − 65 4) The slope of the curve to the function π¦ = (2π₯ − 3)5 at π₯ = 2 equals …………. 1 [a] 1 [b] 12 cos2 π₯ [c] 5 [d] 10 dy 5) If = 1+sin π₯ , then dx = ………….. [a] sin π₯ [b] cos π₯ [c] − sin π₯ [d] − cos π₯ 1 1 1 6) In the geometric sequence (8 , 4 , 2 , 1, … ), then the order of the term whose value = 1024 is ……… [a] 10 [b] 12 [c] 14 [d] 16 7) If π₯ > 0 , then the common ratio of the geometric sequence (4, π₯ − 3,2π₯ + 6, … ) equals ……… [a] 1 [b] 5 [c] 3 [d] 24 8) If lim π(1+2β)−π(1−3β) β→0 β [a] 35 = 35 , then π ′ (1) = ………… [b] 7 [c] 5 [d] 1 9) If π(π₯) = 3π₯ 2 + 2, then the rate of change of the function π at π₯ = 2 equals …………. [a] 6 [b] 8 [c] 10 [d] 12 10) If tan π₯ 1−tan2 π₯ = 3, then tan 2π₯ = …………….. [a] 3 [b] −3 [c] 6 [d] −6 11) From the top of a minaret, a ship has a depression angle of measure 38°, if the distance between the ship and the base of the minaret is 220 meters, then find the height of the minaret from the sea level to the nearest meter. 12) If sin π₯ + cos π₯ = 2 [a] 9 √2 , 3 then sin 2π₯ = …………. 2 [b] 3 7 [c] 9 7 [d] − 9 13) In the opposite figure: tan π = ……………. [a] 4 √65 [b] 16 [c] 1 5 14) If π¦ = cos π₯, then π¦ − π¦ ′ = ………. [a] sin π₯ − cos π₯ [b] cos π₯ − sin π₯ [d] 16 37 [c] sin π₯ + cos π₯ [d] 0 15) If (Tn ) is an arithmetic sequence where Tn = 3n + 2, then the arithmetic mean between T5 , T7 equals ………. [a] 6 [b] 12 [c] 20 [d] 24 16) If nPr = 60, nCr = 10, then n + r = …………….. [a] 3 [b] 5 [c] 8 [d] 13 17) If n arithmetic means are inserted between the two numbers π and π, then the sum of these means equals …….. [a] π+π 2 [b] π( π+π 2 ) [c] π(π − π) π [d] 2 (π − π) 18) The geometric mean of two positive number = 20 and their arithmetic mean is more than their geometric mean by 5, then the difference between the two numbers ………… [a] 20 [b] 30 [c] 40 [d] 50 19) The opposite figure represents the curve of the function π, then π ′ (2) is ………… [a] positive [b] negative [c] zero [d] undefined 20) If log 2 , log(2π − 1) , log(2π + 3) from an arithmetic sequence, find the value of π. 21) Football teams compete in a league each pair of teams play once and the number of matches in the league is 153 matches then the number of competing teams = ……….. [a] 9 [b] 13 [c] 18 [d] 19 22) How many three different digit number could be formed from the digits {2,4,5,7} such that it is smaller than 500? [a] 6 [b] 12 [c] πΆ34 [d] π34 23) If 4Cr+2 =4C2−r , then π ∈ …………. [a] {0} [b] {−1,4} [c] {−2, −1,0,1,2} [d] {0,3} 24) The first term of an infinite geometric sequence = 1 and its common ratio equals (π¦) then the sum of the squares of its terms is ……….. 1 [a] 1−π¦ 1 [b] 1−π¦ 2 1 [d] π¦ 2 1 [d] π¦ 1 25) 2 (tan π + cot π) = ……….. [a] cos 2π [b] sin 2π [c] csc 2π [d] sec 2π 26) Find the value of each of the following: [1] ∫(sin π₯ + cos π₯) 2 [2] ∫ cot π₯ sin π₯ ππ₯ ππ₯ 27) The first term of a geometric sequence (π) = 2 and its common ratio π = 1, then the sum of the first 10 terms = …. [a] 20 [b] 2 [c] 10 [d] 1024 28) The derivative of π₯ 6 with respect to π₯ 3 is ………… [a] π₯ 3 [b] 2π₯ 3 [c] 3π₯ 2 [d] 6π₯ 6 1 29) If the side lengths of a triangle are 2 π! , (π − 2)! , (2 − π)! cm., then the numerical value of the area of the triangle = …….. cm2 [a] √3 2 [b] √3 4 [c] 1 √3 8 √3 [d] 16 π 30) If π ′ (π₯) × π(π₯) + π′ (π₯) × π(π₯) = π₯ + π₯, then ππ₯ [π(π₯) × π(π₯)] = …………. At π₯ = 2 3 [a] 4 [b] 1 31) 2 + 4 + 6 + 8 + β― + 30 = …………… [a] ∑30 [b] ∑15 π=1 π π=1 π 5 [c] 2 [d] 3 [c] ∑15 π=1 2π [d] ∑30 π=1 2π 32) The number of terms of an arithmetic sequence is (π), then the term with order (π) from the end is the term with order = ……… from the beginning. [a] π [b] π − π [c] π − π + 1 [d] π − π + 2 Practice Exam 10 1) A rubber ball is released from 10 m. high on the ground. Each time the ball rebounds to half the height which it falls from, find the total distance the ball covered till stop. 2) π ππ₯ π (tan 4 ) = ………… π [b] sec 2 4 [a] 1 [c] zero [d] 2 3) If π is half the perimeter of the triangle π΄π΅πΆ, π + π = 35 cm., π + π = 34 cm., π = 15 cm., then the area of βπ΄π΅πΆ = ............... cm2 [a] 64 [b] 72 [c] 84 [d] 96 4) 1 + cos 4A = ………….. [a] 2 cos2 4A [b] cos2 2A [c] cos2 4A 1 3 7 [d] 2 cos 2 2A 15 5) The sum of the first π terms of the series: 2 + 4 + 8 + 16 + ……………. [a] 2π − π − 1 [b] 1 − 2π π₯2 − 4 ππ₯ − 8 1 [b] 3 2 6) If the function π: π(π₯) = { [a] 2 [c] 2π − 1 [d] π + 2−π − 1 ,π₯ > 2 is differentiable at π₯ = 2, then π = …………….. ,π₯ ≤ 2 [c] 3 [d] 4 7) If n-mP3 = 210, n+mC4 = 715, then find the value of each of π and π 8) If (n2 + 9n + 20) = [a] n + 3 π+5 π₯ , then π₯ = ……………… [b] π + 3 3 π [c] n + 4 5 [d] n+5C2 π 9) In βπ΄π΅πΆ: tan π΄ = 4 , π΄ ∈]0, 2 [ , cos π΅ = 13 , π΅ ∈]0, 2 [, find tan(π΄ + π΅) 10) ∫(π₯ + 2)(π₯ − 2)ππ₯ = …………. [a] π₯ + 4 + π 1 [b] 3 π₯ 3 − 4π₯ + π [c] π₯ 2 − 4π₯ + π [d] (π₯ 2 − 4)2 + π 11) From a balcony of a house 20 m. high, a man observed that the top and the base of a tower in front of him have elevation angle and depression angle of measures = π, giving that the house the tower on the same horizontal plane, then the height of the tower = ………… m [a] 20 tan π 20 [b] tan π ππ¦ [c] 40 csc π ππ§ 12) If π¦ = π§ 2 + π§, π§ = 2π₯ 2 , then ππ₯ − ππ₯ = ………….. [a] 4π₯ 4 + 2π₯ 2 [b] 16π₯ 2 [d] 40 [c] 16π₯ 3 [d] 8π₯ 6 1 13) The nth term of the sequence Tn = n − 1 where π ∈ β€+ represents ……….. sequence. [a] an increasing [b] a decreasing [c] a constant [d] an oscillate 1 14) The number of horizontal tangents to the curve of the function π(π₯) = 3 π₯ 3 − π₯ 2 + 3 is ………. [a] zero [b] 1 [c] 2 [d] 3 15) If (4, π, π) form an arithmetic sequence and (2, π + 3, 5π) form a geometric sequence, the π − π = ……….. [a] −3 [b] 17 [c] 10 [d] 3 1−tan2 π₯ 16) 1+tan2 π₯ = ………….. [a] cos 2π₯ [b] sin 2π₯ [c] cos π₯ [d] sin π₯ 17) The number of ways cam prime number consists of three different digits be formed from the set of digits 3,4,5 is … [a] 6 [b] 3 [c] 1 [d] zero 18) If nC10 > nC9 , then π …………… [a] = 19 [b] > 19 [c] < 19 [d] ≤ 19 19) The greatest number of terms should be taking from the sequence (25,21,17, … ) starting from the first term to keep the sum positive = …………. [a] 12 [b] 13 [c] 14 [d] 15 20) Find each of the following: tan π₯ 3 [1] ∫ √9π₯ − 1ππ₯ [2] ∫ (cot π₯ + 1) ππ₯ 21) If the last term of an arithmetic sequence is 10 times its first term, and the term before the T last one equals the sum of the fourth and the fifth terms then :T6 = …………. [a] 3π [b] 2 3 [c] 2π [d] π + π 22) By how many ways can a president and vice president be selected from a 12 member committee? [a] 2 [b] 23 [c] 66 [d] 132 23) The average rate of change of the volume of a cube when its edge changes from 3 cm. to 5 cm. equals …….. [a] 98 [b] 49 [c] 125 [d] 9 T 2 T 24) If (ππ ) is an arithmetic sequence in which T4 = 3, then T6 = ………… 2 [a] 3 4 [b] 5 7 6 [c] 7 8 3 [d] 4 25) The equation of the perpendicular to the curve π(π₯) at the point (2, −1) is π₯ − 2π¦ = 4, then π ′ (2) = ………. [a] 2 [b] −2 [c] 1 [d] −1 26) If (π, π, π, … ) is a geometric sequence, its common ratio 2 , then ……….. π π [a] π = 2 π2 π [b] π = 2 [c] π = 2 [d] ππ = 2 27) The first and second terms of an infinite geometric sequence are positive integers and their sum = 3, then π∞ = …. [a] 4 [b] 8 [c] 65 [d] 1024 28) The equation of the tangent to the curve π¦ = [a] π¦ = 3π₯ − 2 [b] π¦ = 2π₯ − 3 1−2π₯ π₯−2 at the point (1,1) equals ………….. [c] π¦ = −3π₯ + 2 [d] π¦ = 2π₯ + 3 29) If (π, π, π) is an arithmetic sequence its common difference is (π), then (3π , 3π , 3π ) is …………. [a] an arithmetic sequence, its common difference = 3 [b] a geometric sequence, its common ratio = 3 [c] an arithmetic sequence, its common difference = 3π [d] a geometric sequence, its common ratio = 3π 30) If sin 32° = π₯, then sin 4° cos 4° cos 8° cos 16° = …………. π₯ π₯ π₯ [a] 2 [b] 4 [c] 8 π₯ [d] 16 31) If π(π₯) = √π₯ 2 + 9, then π ′ (−4) = ………….. 4 [a] − 5 [b] 5 1 1 [c] 10 [d] − 10 32) The number of terms in a geometric sequence is (2n) and its common ratio (π), then the ratio between the sum of its odd ordered terms to the sum of its even ordered terms equals ………… 1 [a] r 1 [b] r2 [c] r2 [d] n r