(1) (2) 9 5 4 – 3 7 8 (3) 6 7 8 – 2 9 9 7 4 3 9 5 3 8 + 2 9 6 7 (4) 3 8 9 2 6 (6) (5) x 1 8 9 x 5 6 5 4 1 + 9 9 9 7. What is the sum of 546 and 379? 13. Tayo enters a number into her calculator. She adds 12.7, and multiplies the answer by 3. The calculator now shows 62.4. What was the number that Tayo originally keyed in ? Ans:____________________________ 14. The base of a large tank measures 3m by 2.5m. Water is poured into the tank to a depth of 1.7m. What is the volume of water in the tank? Ans:__________________________ 15. In a test Cynthia scored 28 marks. If the total possible mark was 35, what percentage of the total score did Cynthia get? Ans: ____________________________ Ans:____________________________ 8. Subtract 85 from 769. 9. Add 0.46 to 5.35. 16.The average height for the five players in a basketball team is 1.82m. The mean height of these players and the first reserve is 1.79m. How tall is the reserve? Ans: ____________________________ Ans:___________________________ 10. Multiply 27.25 by 40. 17.(a) Paul’s salary of N12,000.00 was increased by 6%. What was his salary after the increase? Ans: ____________________________ Ans: ____________________________ 11. What is the remainder when 837289 is divided by 25? Ans:__________________________ 2 of the class are absent, 5 there are 18 pupils present. What is the total number of pupils in the class? 12. When Ans: _________________________ Ans:___________________________ (b) I bought a house for N80,000.00 and sold it for N92,000.00. What percentage profit did I make? Ans:___________________________ 18. There are two pieces of wood. One is 800mm long and the other is 600mm long. The two pieces are to be cut into a total of 6 smaller pieces. The new pieces are to have lengths 350mm, 290mm, 260mm, 190mm, 170mm and 140mm. How would you cut the pieces? Ans:____________________________ 24. I think of a number add 6, divide the result by 5 and the answer is 10. What number did I think of? Ans:_____________________________ 25. I think of a number, multiply it by 3 and subtract the result from 37. The answer is 19. What number did I think of? 19. In a class, 3/5 of the pupils were girls. ¼ of the boys in the class were absent. 2/15 of the whole class were absent. There were 9 boys present. (i) How many boys are in the class? _______ Ans:_____________________________ (ii) How many girls are in the class? _______ How many chickens would I get for 6 ducks? 26. At a barter market I can exchange 2 ducks for 3 chickens, 5 chickens for 2 fishes and 4 fishes for 7 snails. (iii) How many girls were present? _________ Ans:_____________________________ 20. The 13 girls in a class got an average mark of 70 in a test. The 7 boys in the same class got an average mark of 60 in the same test. What is the average mark for the whole class? Ans:______________________________ 21. In a secondary school, the first activity starts at 8.05 a.m. If there are three activities to be done which take 35 minutes each, and then a break period at the end of these activities, at what time does the break starts? Ans:_____________________________ 22. Last year in Gboko there were 75 reported cases of chicken pox. This year the number dropped by 16%. How many cases have been reported this year. Ans:_____________________________ 23. When a farmer digs up 80kg of cocoyams, she finds that 25% are rotten. Of the remaining healthy cocoyams, 10% are too small to sell. What is the mass of healthy cocoyams large enough to sell? Ans:_____________________________ How many fishes would I get for 10 ducks? Ans:_______________________________ How many snails could I exchange for 20 ducks? Ans:______________________________ 38 16 in an English test, in a 50 20 Maths test and 79% in a Science test. 27. Charles gets (a) In which subject did he do best? Ans:______________________________ (b) In which subject did he do worst? Ans:_______________________________ 28. When roasting a chicken Oare allows a cooking time of 20 minutes per half kilogram and then adds an extra 30 minutes. (a)How long in minutes does she take to roast a 2.5kg chicken? Ans:________________________________ 28. (b) If she cooks a chicken for 90 minutes, how much did the chicken weigh? Ans:_________________________________ 29. In September 1999, there were 350 pupils at LJC. The ratio of girls to boys was 3:4 (i) Work out how many girls were at the school in September 1999. 32. Three people shared N35,000 from an inheritance. Ibi received half as much as Isioma, and Isioma received half as much as Uzoma. How much did each one receive? Ans:_____________________________ 33. Train travels at 40 km per hour. How far will it travel in 1 hour 36 minutes? Ans:_____________________________ Ans:________________________________ By September 2000, the number of girls had increased by 8% (ii) Find how many girls were at LJC in September 2000. Ans:_____________________________ The number of boys at the school also increased. 34. In 2006 Ubong will be half as old as her mother. How old is her mother now if Ubong is 17 now? Ans:_____________________________ 35. In a bag of apples 2 are green, 1/3 are red, and the remainder are yellow. If there are 23 yellow apples in the bag, what is the total number of apples? Ans:_____________________________ For every 5 boys in September 1999, there were 7 boys in September 2000. (iii) Find the number of boys at the school in September 2000. Ans:_____________________________ (iv) How many pupils were there at LJC in September 2000? 36. February 27, 2008 is a Wednesday. What is the date of the following Wednesday? Ans:_____________________________ 37. Chinedu missed his school bus by 2 minutes so he walked to school, which took him 27 minutes, arriving 6 minutes late for class at 8:11 a.m. At what time should he have caught the bus? Ans:_____________________________ Ans:_____________________________ 30. At a 20% off sale, a toy sold for N80. What was the original price? Ans:_____________________________ 31. If you divide N120 between Uche and Obioma in the ratio of 1 to 3 respectively, how much does each one get? Ans:_____________________________ 38. Because he did not want to turn on the lights in the bedroom at 4:00 a.m. and disturb his sleeping wife and children, Ahmad selected his socks from a shelf in the dark. He wanted a pair of dark blue or black socks, which were located by themselves on a certain shelf in the closet. In the dark how many socks should he take from that shelf to ensure he had one pair that matched? Ans:_____________________________ 43. A B The diagram above shows a rectangular park with a walkway one metre wide sourrounding it. The park measures 8 metres by 4 metres, what is: C D (a) the area of the park? Its area is ________________ squares. Ans: _________________________sq. m. 44. Put the letters A, B, D, E, F, G, and H into the circles in the diagram below in such a way that no letter is connected by a line to the letter that is next to it in the alphabet. 39. WALKWAY PARK (b) the area of the walkway? Complete the lines in the shape ABCD above to divide it into squares. Ans: _________________________ sq. m. 40. Eight hundreds – four fifties = two fifties + ? Use the space below for your working and the grid at the bottom for your final answer. C Ans: ___________________________ 41. How many triangles can you find in this figure? 45. If A x B = 24, C x D = 32, B x D = 48, and B x C = 24, what does A x B x C x D equal? Ans: ________________________________ 42. How many squares can you find in this shape? Ans:_____________________________ 46. What number comes next in this series? 9, 16, 25, 36, Ans:_____________________________ 47. Two numbers are in the ratio 2:3 and their sum is 20, What is the larger number? Ans:_____________________________ Ans: _____________________________ 48. What number exceeds 1,949 by the same amount as 5,000 exceeds 1,806? Ans:_____________________________ 49. The product of two numbers is 16½. One of them is 8¼. What is their difference? 57. An Old miser saves all the candle stubs she has burnt. Ans:_____________________________ 50. What is the number nearest to 800, which is exactly divisible by 9? From every nine stubs she can make a whole candle. If the miser has 345 stubs, what is the highest number of new candles she can possibly make? Ans:_____________________________ Ans: ________________________________ 51. In a school 45% are boys and there are 220 girls. How many boys are there? 58. B A Ans:_____________________________ 0 2 The value at A is 0.2. What is the value at B? Give your answer as a decimal. 52. A man traveling at 40km per hour covered a distance in 3 hours. If he traveled at 45km per hour, what time could he have saved? Ans: _______________________________ Ans:_____________________________ 59. A 3 by 3 magic square contains the numbers 1 to 9, each used once only. 53. If the length and breadth of a lawn are doubled, what is the percentage increase in its area? The sum of any row or column or diagonal is always equal to the same number. Ans:_____________________________ Complete these to make magic squares. 54. The cost for an extended telegram is N6.00 for the first ten words and then 45kobo per word for each additional word. What is the cost of a telegram of 15 words? (a) 4 7 6 (b) 6 2 8 4 5 Ans:_____________________________ 55. A village has 500 men and 700 women. If a man pays N1.15 and a woman pays 65kobo, how much should be collected in the village? 60. Ans:_____________________________ 56. Tunde has enough food to last 64 goats for 72 days. How long can the food last 48 goats? Ans:_____________________________ 64 cubes fit exactly inside a 4 x 4 x 4 opentopped box. How many cubes do not touch either the side or bottom of the box? Ans: ____________________________ 61. These pictures show a cactus plant at different times. metres metres metres 2.0 2.0 2.0 1.5 1.5 1.5 1.0 1.0 1.0 0.5 0.5 0.5 1 year old 3 years old 5 years old (a) How tall was the plant when it was 1 year old? Ans: ________________________________ (b) How tall was the plant when it was 5 years old? Ans: ________________________________ (c) How much did it grow between 1 year old and 3 years old? Ans: ________________________________ (d) How much did it grow between 1 year old and 5 years old? Ans: ________________________________