AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q1 A heavy nucleus splits into two fragment nuclei whose surface area are in ratio 9 : 25, the ratio of speeds of the two fragments is (1) 25 : 9 (2) 125 : 27 (3) 5 : 3 (4) 625 : 81 Q2 In the following diagram if V > V then 2 (1) λ = √λ 1 (2) λ < λ 1 2 (3) λ = λ 1 2 (4) λ > λ 2 1 1 2 Q3 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo In the following circuit, if D and D are ideal diodes, then the value of i and i are respectively 1 2 1 2 (1) Zero, Zero (2) 5 mA, 5 mA (3) 5 mA, Zero (4) Zero, 5 mA Q4 A ray of light travels from a medium of refractive index μ to air. Its angle of incidence in the medium is θ, measured from the normal to the boundary and its angle of deviation is δ and the angle of refraction ϕ. A graph is plotted between δ and θ which is shown in the figure. Choose the correct relation from the following- (1) δ2 (2) δ2 δ1 δ1 = μ = 2 (3) sin ϕ = (4) ϕ = π 2 1 2 − sin −1 ( 1 π ) Q5 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo If all meters are ideal and the reading of the voltmeter V is 6 V, then power supplied by the voltage source is (all meters are ideal) (1) 10 W (2) 38 W (3) 54 W (4) 30 W Q6 A body is moving down a long inclined plane of inclination θ. The coefficient of friction between the body and inclined plane varies as μ = 0.5x, where x is distance travelled down the plane. The body will have maximum velocity, when it has travelled a distance x, given by (All quantities are in SI units) (1) x = 2 tan θ (2) x = 2 tan θ (3) x = √2 cot θ (4) x = √2 cot θ Q7 The escape velocity from a spherical planet is v . The escape velocity corresponding to another planet of twice e the radius and half the mean density is. (1) v √2 e www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys (2) MathonGo ve √2 (3) 2v e (4) 4v e Q8 In a sample of hydrogen like atoms all of which are in ground state, a photon beam containing photons of various energies is passed. In absorption spectrum, five dark lines, are observed. The number of bright lines in the emission spectrum will be (assume that all transitions takes place). (1) 5 (2) 10 (3) 15 (4) None of these Q9 A capacitor, an inductor and an electric bulb are connected in series to an AC supply of variable frequency. As the frequency of supply is increased gradually, then the electric bulb is found to (1) Increase in brightness (2) Decrease in brightness (3) Increase in brightness, reach a maximum and then decrease in brightness (4) Of same brightness Q10 In a cyclic process ABCA, V − T graph is shown in the figure. P − V graph corresponding to the given process can be best depicted by www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo (1) (2) www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo (3) (4) Q11 Two particles A and B are projected simultaneously from point O. Their maximum heights and ranges achieved are shown. Find correct option : www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys (1) Necessarily R = 2R 2 MathonGo 1 (2) Ranges may be same (3) Ranges can't be same (4) Necessarily 2R = R 2 1 Q12 In the equation ∫ dv v (1) [L − 1 3 2 T 2] (2) [L T 2 (3) [L (4) [L − − − = BCe −2Ct , where v is velocity, t is time, e is exponent. The dimensions of B are 3 2 ] 1 5 2 T 2] 1 2 3/2 T − 5 2 ] Q13 Two ideal gases, one monoatomic and another diatomic, are having same pressure P , volume V and temperature T . Select the correct option (1) The translational kinetic energy for monatomic gas is 3 2 PV but for diatomic gas it is 5 2 PV . (2) The translational kinetic energy for both monatomic and diatomic gas will be same. (3) Average velocity of each molecule of any type of gas will be proportional to √T , where T is absolute 5 temperature. (4) Average energy for one molecule per degree of freedom for monatomic gas is is 2 × 1 2 kT 1 2 kT but that for diatomic it . Q14 A ball of mass 20 g dropped over a large horizontal surface from a height of 5 m, collides elastically with the surface. If the collision lasts for 10 −2 s , then which of the following statement is true? (g = 10 m/s ) 2 (1) The impulse imparted to the ball is 0.4 N-s (2) Force applied by the ball on the floor is 50 N www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo (3) The impulse imparted to the ball is 0.2 N − s (4) Force exerted by the surface on the ball is 0.2 N Q15 A uniform rod of mass 6 kg is lying on a smooth horizontal surface. Its two ends are pulled by strings as shown in figure. Force exerted by 40 cm part of the rod on 10 cm part of the rod is (1) 30 N (2) 16 N (3) 24 N (4) 22 N Q16 A bullet of mass 10 g is fired horizontally with a velocity 1000 ms −1 from a rifle situated at a height 50 m above the ground. If the bullet reaches the ground with a velocity 500 ms , the work done against air −1 resistance in the trajectory of the bullet is : (g = 10 ms −2 ) (1) 5005 J (2) 2750 J (3) 3750 J (4) 17.5 J Q17 The 9 th division of vernier scale coincides with 6 th division of main scale in a vernier calliper. If one main scale division is 0.01 mm, then the least count of instrument is www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo (1) 0.01 mm (2) 0.001 mm (3) 0.0033 mm (4) 0.0066 mm Q18 40 g of ice at −10 C is dropped in a calorimeter having 50 g water at 40 C. The final temperature of mixture ∘ ∘ and content of calorimeter are (Specific heat of ice 0.5calg −1 ∘ C −1 , latent heat of fusion of ice 80calg , −1 neglect heat capacity of calorimeter). (1) 0 C, 40 g ice and 50 g water ∘ (2) 0 C, 90 g water ∘ (3) 0 C, 17.5 g ice and 72.5 g water ∘ (4) 0 C, 20 g ice and 65 g water ∘ Q19 A point charge Q is located at a distance R 2 from the centre of an uncharged conducting spherical shell as shown in below figure. The electric field at a distance 3R from the point charge is (1) (2) 1 Q 4πε0 9R 1 Q 4πε0 5R ( (3) 2 2 1 Q 4πε0 7R ( 2 2 ) 2 ) www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys (4) 1 Q 4πε0 9R ( 2 MathonGo 2 ) Q20 Match List-I (Electromagnetic wave type) with List-II (Its Application) and select the correct option from the choices given below the lists: List-I List-II a. Infrared waves (i) To treat muscular strain b. Radio waves (ii) For broadcasting c. X-rays (iii) To detect fracture of bones d. Ultraviolet rays (iv) Absorbed by the ozone layer (1) a(iv), b(iii), c(ii), d(i) (2) a(i), b(ii), c(iv), d(iii) (3) a(iii), b(ii), c(i), d(iv) (4) a(i), b(ii), c(iii), d(iv) Q21 A dog is barking at a power of 40πmW. Its intensity level of sound emitted at a distance 1 m from the dog is (in dB) Q22 A uniform circular disc of radius R placed on a rough horizontal surface has initially a velocity v and an 0 angular velocity ω as shown in the figure. If the disc comes to rest after moving some distance in direction of 0 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys v0 , then V0 Rω0 MathonGo is K, find 4K. Q23 Two solid spheres of same metal but of mass M and 8M fall simultaneously on a viscous liquid and their terminal velocities are v and nv, then find the value of n. Q24 In an experiment four quantities a, b, c and d are measured with percentage error 2%, 3%, 1% and 0.5% respectively. A quantity Q is defined as Q = a c √ 3/2 b d 4 . Maximum percentage error in the calculation of Q will be Q25 Three blocks of masses 700 g, 500 g and 400 g suspended at the end of a spring as shown in the figure, are in equilibrium. When the 700 g block is removed, the system has a period of oscillations of 3 s. If both 700 g and 500 g blocks are removed, the period of oscillation becomes (in seconds) www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q26 A beam of plane polarized light falls normally on a polarizer of cross sectional area 3 × 10 energy of incident ray is 10 −3 W −4 m 2 . Flux of . The polarizer rotates with an angular frequency of 31.4rad/sec. The average Intensity is K watts. Find 6 K. Q27 Two square shaped metal plates of A and B of same thickness ( t ) and of same material are connected as shown in the figure. The side of B is twice that of A. If the resistance of A and B are R and R respectively A then RA RB B is Q28 The primary and secondary coils of an ideal transformer have 100 and 500 turns respectively. The magnetic flux linking the primary coil is given by ϕ = 40t + 5. The output voltage across the secondary coil is (all the quantities are in SI units) Q29 Two small spheres of each charge q, mass m and material density d are suspended from a fixed point with the help of inextensible light thread. When the spheres are in air, the angle between the threads is 90 . When the ∘ spheres are suspended in a liquid of density 2 3 d , the angle between the threads is 60 . The value of dielectric constant of the liquid is P, find P √3. Q30 www.mathongo.com ∘ AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo ^ and the electric field produced by it at a distant A charged particle is moving with a velocity v→ = −^i + ^j − k → ^ point is E = ^i + ^j + k . The magnetic field produced at the same point due to the same charged particle is Kμ0 ε0 . Find the value of 10K. (All quantities are in S.I. units, take √2 = 1.4 and √3 = 1.7) Q31 What is the correct mode of hybridization of the central atom in the following compounds : NO , SF , PF + 2 (1) sp , sp , d sp 2 3 2 3 2 3 (3) sp, sp d, sp d 3 3 (4) sp, sp , sp 2 − 6 3 (2) sp , sp d , sp d 3 4 2 2 3 Q32 Select incorrect order : (1) NH > PH > AsH > SbH (order of acidic strength) 3 3 3 3 (2) S > Se > Te > O (order of electron affinity) (3) Si < S < P < Cl (order of IE) (4) S −2 > Cl − > K + > Ca 2+ (order of radius) Q33 An element with (Z = 69) emits 2α and 1β particles in succession. What will be the group number of new element formed? (1) Group 2 (2) Group 13 (3) Group 5 (4) Group 3 Q34 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Which of the following set of reagent(s) give cis-but-2-ene as a final major product starting with (+)-2chlorobutane. (1) Alcoholic KOH (2) (i) CH COOAg, (ii) Δ 3 (3) (i) Alc. KOH, (ii) Br /CCl , (iii) Alc. KOH; NaNH , (iv) H /Pd − BaSO 2 4 2 2 (4) (i) Alc. KOH, (ii) Br /CCl , (iii) Alc. KOH; NaNH , (iv) Na/ Liq. NH 2 4 2 4 3 Q35 The order of stability of the carbocations is (1) VI > V > IV > III > II > I (2) I > II > III > VI > V > IV (3) V > VI > III > IV > I > II (4) I > II > III > IV > V > VI Q36 Statement 1: Addition of HgI to aqueous solution of KI increases the freezing point 2 Statement 2: A complex K [HgI ] is formed 2 4 (1) Statement 1 is True, Statement 2 is true; Statement 2 is a correct explanation for Statement 1 (2) Statement 1 is True, Statement 2 is true; Statement 2 is NOT a correct explanation for Statement 1 (3) Statement I is True, Statement 2 is False (4) Statement 1 is False, Statement is True www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q37 The first and second ionisation potential of helium atoms are 24.6eV and 54.4eV respectively. The energy required to convert 1 mole of He atoms into He 2+ ions in kJ is : (1) 758.4 (2) 7584 (3) 7.584 (4) 75.84 Q38 Assertion : Azeotropic mixtures are formed only by nonideal solutions and they may have boiling points either greater than both the components or less than both the components. Reason : The composition of the vapour phase is same as that of the liquid phase of an azeotropic mixture. (1) both assertion and reason are true and the reason is the correct explanation of the assertion. (2) both assertion and reason are true but reason is not the correct explanation of the assertion. (3) assertion is true but reason is false. (4) the assertion and reason both are false. Q39 The correct order of dipole moments of NH , H O and NF is 3 (1) H O > NH > NF 3 (2) H O > NF > NH 3 2 3 2 3 2 3 (3) NF > NH > H O 3 3 2 (4) NH > NF > H O 3 3 2 Q40 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Which common factor is responsible for the regioselective nature of the following reactions. (1) - I effect of halogens (2) + I effect of halogens (3) +M effect of halogens (4) - M effect of halogens Q41 Amongst TiF 2− 6 , CoF T i = 22, Co = 27, (1) CoF and NiCl (2) TiF 3− 6 and CoF 2− 6 (4) TiF 2 2 6 , Cu2 Cl2 and NiCl Cu = 29, 2− 4 (Atomic number N i = 28) . The colourless species are 4 3− 6 2− 4 and Cu Cl 2− 6 2− (3) Cu Cl and NiCl 2 3− 2 Q42 Which of the following complexes entities are square planar in shape? [Ni(CN)4 ] (P) [PdCl4 ] −2 [MnCl4 ] −2 [Zn(NH3 ) ] (Q) −2 +2 4 (R) +2 [Ni(NH3 ) ] (S) 4 (T) (1) P, T (2) P, Q, T (3) R, S, T (4) P, S www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q43 An aqueous solution containing 1M each of Au +3 , Cu +2 , Ag + , Li + is being electrolysed by using inert electrodes. The value of standard potentials are : E E ∘ Ag + /Ag = 0.80 V, E ∘ Au +3 /Au ∘ Cu = 1.50 V, E + /Cu ∘ Li + /Li = 0.34 V and = −3.03 V with increasing voltage, the sequence of deposition of metals on the cathode will be : (1) Li, Cu, Ag, Au (2) Cu, Ag, Au (3) Au, Ag, Cu (4) Au, Ag, Cu, Li Q44 Product (B) contains _______ π electrons (1) 10 (2) 12 (3) 13 (4) 14 Q45 In Aniline & water mixture, Aniline can be separated by : (1) Steam distillation (2) Fractional distillation (3) Simple distillation (4) Distillation under reduced pressure www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q46 Which of the following statement is not correct? (1) [Ni(CN) ] −2 4 (2) [NiCl ] 4 −2 and [Ni(CO) ] have the same magnetic moment 4 and [PtCl ] 4 −2 have different shape. (3) Hybrid state of Co in [Co(Ox) ] −3 3 is sp d 3 2 (4) In brown-ring complex [Fe(H O) NO] SO oxidation state of Fe is +1 2 5 4 Q47 Product (A) is - (1) (2) www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo (3) (4) Q48 Consider the reaction given below How many hydrogen atoms are replaced by deuterium atoms in the major product? (1) 1 (2) 0 (3) 4 (4) 3 Q49 Chromyl chloride vapours are dissolved in NaOH and acetic acid and lead acetate solution is added, then www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo (1) The solution will remain colourless (2) The solution will become dark green (3) A yellow solution will be obtained (4) A yellow precipitate will be obtained Q50 On performing a borax-bead test with a given inorganic mixture for qualitative analysis, the colour of the bead was found to be emerald green both in oxidising and reducing flame. It indicates the possibility of the presence of (1) Co (2) Ni (3) Cr (4) Cu Q51 Find the total number of compounds which do not give Fehling's test. Fructose, Sucrose, Glyoxal, HCHO, glyoxalic acid, CH COCH , N H , benzaldehyde, HCOOH 3 3 2 4 Q52 For the redox reaction, MnO − 4 + C2 O −2 4 + H + ⟶ Mn +2 + CO2 + H2 O the correct coefficient of reactants MnO , C O , H for the balanced reaction are respectively 2, a and b. − 4 −2 2 + 4 Find a + 2b. Q53 Find the number of spectral lines in Paschen series emitted by atomic H, when electron is excited from ground state to 7 th energy level returns back. www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q54 A weak base BOH was titrated against a strong acid. The pH at 1/4 th equivalence point was 8.0 . Enough strong base was now added (7.5 millimole) to completely convert the salt. The total volume was 10ml. Find the pOH at this point. Q55 Total number of possible stereoisomers of the following co-ordinate compound Mabcdef where - a, b, c, d, e and f are mono dentate ligands. Q56 A tetrapeptide on hydrolysis produced glycine (gly), Leucine (Leu.), Alanine (Ala), Valine (Val.). Count number of possible tetrapeptides (structural isomers only) which can produce above four amino acids with the following both conditions. (i) Glycine is not present at N-terminal (ii) Alanine in present at C-terminal Q57 Find the difference between the number of optically active and optically inactive isomers of Q58 If 0.01% of a substance undergoing decomposition is consumed in 1 millisecond when the concentration is 0.02M and in 0.25 millisecond when the concentration is 0.04M, what is the order of the reaction? Q59 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo major organic product will have Bromine at ______ position. (Mark carbon number where boron will be attached as answer.) Q60 Use the data from table to estimate the enthalpy of formation of CH CHO (Mark absolute value of enthalpy in 3 KJ per mol as answer). Bond enthalpy 400 kJ mol 350 kJ mol 700 kJ mol −1 −1 −1 Bond Enthalpy of formation −1 C − H C(g) 700 kJ mol C − C H(g) 200 kJ mol C = O O(g) 250 kJ mol −1 −1 Q61 Let x be the 7 (3 1/3 1 + 4 1/3 th n ) term from the beginning and y be the 7 th term from the end in the expansion of . If y = 12x then the value of n is : (1) 9 (2) 8 (3) 10 (4) 11 Q62 Let a and b are positive integers such that a < b < 2009. If a, b and 2009 form a geometric progression whose common ratio is an integer then the sum of digits of a is (1) 5 (2) 7 (3) 9 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo (4) 11 Q63 Suppose a parabola has vertex ( 1 4 , −9 8 ) and equation y = a + bx + c (where a > 0 and a + b + c is integer). 2 Let 'a' takes its minimum possible value under given condition, then Match List-I with List-II and select the correct answer using the code given below the list. List-I List-II (P)2(latus rectum of parabola) is (1) 9 (Q) If equation of directrix is 4y + λ = 0, then λ (R) If the value of a is p q (2) (3) (4) P Q R S 1 2 3 4 P Q R S 3 1 2 4 P Q R S 1 2 3 2 P Q R S 4 1 2 3 is (2) 81 (where p & q are relatively prime), then p + q is (S) If (α, 0) lies on parabola, then 16(α − (1) 2 1 4 (3) 11 2 ) is (4) 36 Q64 An equilateral triangle is inscribed in an ellipse whose equation is x + 4y 2 (0, 1) , then the length of each side is (1) 8 √3 (2) 24√3 (3) 16√3 (4) 48√3 13 13 13 13 www.mathongo.com 2 = 4 . If one vertex of the triangle is AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q65 Let a and b be two numbers such that f (x) = x + ax + b never equal to zero. Let A be a matrix of order 2 and B be a matrix such that B = f (A), then which of the following must be INCORRECT? 2 × 2 (1) B must be an invertible matrix (2) B can be an invertible matrix but not always (3) B can be a singular matrix (4) B can be a null matrix Q66 A light beam emanating from the point A(3, 10) reflects from the straight line 2x + y − 6 = 0 and then passes through the point B(4, 3). The equation of the reflected beam is x + 3y − λ = 0, then find the value of λ. (1) 22 (2) 11 (3) 9 (4) 13 Q67 Given |a →| = |→b| = 1 and |a → + →b| = √3. If c→ be a vector such that c→ − a → − 2→b = 3(a → × →b), then c→ ⋅ →b is equal to (1) − (2) 1 (3) 3 (4) 5 1 2 2 2 2 Q68 The domain of f (x) = cos (1) [3, 10 (2) [ 10 2 3 , 3 3 −1 ( 6−3x 4 ) + cosec −1 ( x−1 2 ) is ] ] www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo (3) (−∞, 1] ∪ [3, ∞) (4) None of these Q69 In a right trapezium ABCD, the diagonals are perpendicular, and the ratio of the length of bases AD : BC = 2 : 3 . Then the ratio of length of diagonals is (1) 3 : 2 (2) 1 : 3 (3) 2 : √3 (4) √3 : √2 Q70 The number of integers in the range of 'c' such that there exists a line which intersects the curve y = x 4 − 6x 3 + 12x 2 + cx + 1 at four distinct points is equal to (1) 2 (2) 3 (3) 1 (4) 0 Q71 Let f be differentiable function such that (x − y)f (x + y) − (x + y)f (x − y) = 4xy (x − y ) and f (1) = 2. 2 Then area enclosed by (1) 3f (4) (2) f (4) (3) f (4) (4) 3f (4) 4 8 16 16 1 1 |f (x)−x| 3 |f (y)−y| 3 17 + 2 ≤ 1 4 , is sq. units sq. units sq. units sq. units www.mathongo.com 2 AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q72 Find the value of 96√3 ⋅ sin π 48 ⋅ cos π 48 ⋅ cos π 24 cos π 12 ⋅ cos π 6 . (1) 6 (2) 18 (3) 12 (4) 9 Q73 The probability of solving a problem correctly by A and B are 1 8 and 1 12 respectively. Given that they obtain the same answer after solving a problem and the probability of a common mistake by them is 1 1001 , then probability that their solution is correct is (Assuming that if they commit different mistake then their answers will differ) (1) 77 (2) 14 (3) 2 (4) 13 96 15 5 14 Q74 Let f (x) be continuous function satisfying f (x) = ∫ x 0 e x−y ′ f (y)dy − (x which f (x) = 0, is: (1) 1 2 (2) 1 (3) 1 (4) 1 4 8 Q75 www.mathongo.com 2 − x + 1) e x . The value of x for AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo If the equation of the perpendicular bisector of the line joining two complex numbers P (z ) and Q (z ) in the 1 2 complex plane is ᾱz + αz + r = 0 then α and r are respectively are ¯ ¯ ¯ (1) z − z and |z | + |z | 2 (2) z − z and |z | − |z | 2 (3) z̄ 2 2 2 1 1 2 2 1 2 2 − z̄ 1 1 2 and |z | + |z | 2 1 2 (4) z − z and |z | − |z | 2 2 1 1 2 2 Q76 Let f : R → R be a polynomial function satisfying f (f (x) − 2y) = 2x − 3y + f (f (y) − x), ∀x, y ∈ R then the value of f (20) − f (14) is equal to (1) 6 (2) 4 (3) 5 (4) 8 Q77 A be a square matrix of order 2 with |A| ≠ 0 such that |A| + |A adj(A)| = 0, where adj(A) is an adjoint of matrix A, then the value of |A + |A| adj(A)| is (1) 6 (2) 4 (3) 5 (4) 8 Q78 ⎧ ⎪ Let f (x) = ⎨ ⎪ ⎩ x[x] + 1 ax 2 + x + b sin(c(x − 3)) + d , x ∈ (0, 1) , x ∈ [1, 3) , x ∈ [3, ∞) (where [.] denotes greatest integer function) be a continuous function in its domain. www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo If f (x) is continuous but non-differentiable at exactly two points in its domain, then(1) a ≠ − 1 2 , c ≠ 2, a = −b = (2) a ≠ −2, c ≠ − (3) a = − 1 (4) a ≠ − 1 2 2 1 2 d−3 6 d+3 , a = −b = , c ≠ −2, a = b = 8 d−3 6 d−3 , c ≠ −2, a = −b = 8 Q79 If I = ∫ 1 (1) π (2) π (3) 3π (4) π 4 π/2 −π/2 cos 2 xdx 1+3 x and I = ∫ 2 π 0 x 2 sin x cos( π 2 cos x)dx (2x−π) , then (I + I ) equals 1 2 + 1 2 4 4 + 2 Q80 ^ to the straight line through R(2, 3, −4) The distance from the point P whose position vector is −^i + 2^j + 6k ^ is ______. and parallel to the vector 6^i + 3^j − 4k (1) 6 (2) 7 (3) 5 (4) 8 Q81 If a point P (x, y) moves such that |x − y| + |x + y| = 2, then the area bounded by the locus of the point P is equal to Q82 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys AB is a chord of x + y 2 2 MathonGo = 4 and P (1, 1) trisects AB. If C is the centre of the circle then the length of the chord AB is Q83 A relation R is defined on set A = {a, b, c} such that R ≡ {(a, a), (b, b), (b, c), (c, b)}, then minimum number of additional elements required in R so that R becomes an equivalance relation, is Q84 In an experiment with 10 observations on x, ∑ x = 60, ∑ x = 1000 one observation that was 20 was found 2 to be wrong and was replaced by the correct value 30 then the corrected variance is Q85 Find the remainder, when 5 5 5 . . . 5 (24 times 5) is divided by 24. Q86 The number of four digit numbers abcd where a, b, c, d ∈ {1, 2, 3, 4, 5, 6, 7, 8, 9} such that a > b, a > c and c > d , is Q87 ^ and r ^ → = −^i + μ(2^i + ^j + k) A line with direction ratios (2, 1, 2) intersects the lines r→ = −^j + λ(^i + ^j + k) at A and B, respectively, then length of AB is equal to Q88 If AM, GM and HM of the first and last terms of series 100, 101, 102, … … (n − 1), n are the terms of series itself, then value of n 100 (100 < n ≤ 500) is Q89 www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo For a positive constant t, let α, β be the roots of the quadratic equation x + t x − 2t = 0. If the minimum 2 value of ∫ 2 −1 (a − b + c) ((x + 1 α 2 ) (x + 1 β 2 ) + 1 αβ ) dx is √ a b + c 2 where a, b, c ∈ N , then the least value of is Q90 If the area bounded by y = f (x) and the curve y = 2 1+x 2 where f is a continuous function satisfying the conditions f (x) ⋅ f (y) = f (xy). ∀ x, y, ∈ R and f (1) = 2, f (1) = 1 is (π − ′ www.mathongo.com a 3 ) , then a = AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Answer Key Q1 (2) Q2 (4) Q3 (4) Q4 (2) Q5 (3) Q6 (1) Q7 (1) Q8 (3) Q9 (3) Q10 (3) Q11 (2) Q12 (1) Q13 (2) Q14 (1) Q15 (2) Q16 (3) Q17 (3) Q18 (3) Q19 (3) Q20 (4) Q21 (100) Q22 (2) Q23 (4) Q24 (7) Q25 (2) Q26 (10) Q27 (1) Q28 (200) Q29 (18) Q30 (28) Q31 (3) Q32 (1) Q33 (4) Q34 (3) Q35 (4) Q36 (1) Q37 (2) Q38 (2) Q39 (1) Q40 (3) Q41 (4) Q42 (4) Q43 (3) Q44 (4) Q45 (1) Q46 (3) Q47 (2) Q48 (3) Q49 (4) Q50 (3) Q51 (5) Q52 (37) Q53 (4) Q54 (3) Q55 (30) Q56 (4) Q57 (5) Q58 (3) Q59 (4) Q60 (200) Q61 (1) Q62 (1) Q63 (3) Q64 (3) Q65 (1) Q66 (4) Q67 (4) Q68 (1) www.mathongo.com AYJR 2024 (April) – Morning Shift Are You JEE Ready (AYJR) Questions with Answer Keys MathonGo Q69 (4) Q70 (3) Q71 (3) Q72 (4) Q73 (4) Q74 (1) Q75 (4) Q76 (1) Q77 (2) Q78 (4) Q79 (4) Q80 (2) Q81 (4) Q82 (3) Q83 (1) Q84 (101) Q85 (5) Q86 (546) Q87 (3) Q88 (4) Q89 (4) Q90 (2) www.mathongo.com