- 1. 1. The table above shows the scores of certain number of students in a class. Find the mean score
A) 4.5
B) 3.8
C) 3.5
D) 4.8
- 2. 2. Find all the angles in the triangle above
A) 61.93⁰, 28.06⁰, 90⁰
B) 90⁰, 53.13⁰, 36.87⁰
C) 45⁰, 75⁰, 60⁰
D) 90⁰, 53⁰, 37⁰
- 3. 3. The distance travelled in a given time varies directly with the speed. If a vehicle travels 250km at 75km/hr, how far will it travel in the same time at 63km/hr?
A) 250km
B) 210km
C) 100km
D) 75km
- 4. 4. Calculate the side of the triangle marked x in the figure above. Correct your answer to 2 significant figures.
A) 8.7cm
B) 8.6cm
C) 8.5cm
D) 2.9cm
- 5. 5. The values of the following trigonometric ratios, sin 45⁰, cos 45⁰ and tan 45⁰ gives _______ respectively
A) √3/2, 1/2, 1
B) 1/√2, 3/√2, 1
C) 1/√2, 1/√2, 1
D) 1, 1/√2, 1
- 6. 6. What is the median of the following scores 22,41,35,63,82,74?
A) 52
B) 49
C) 22
D) 82
- 7. 7. If (y +2) varies inversely as x and y = 3 when x = 2. Find y when x = 5
A) y = 0
B) y = 10
C) y = 4
D) y = 12
- 8. 8. Y varies inversely as the cube root of x. If Y = 4 when x = 0.125, find y when x = 8
A) 2
B) 3
C) 1
D) 5
- 9. 9. The mean of a set of numbers 68, 65, x, 69, 77, 48, 64 is 67. Find x
A) 78
B) 67
C) 68
D) 66
- 10. 10. Calculate the value of x in the figure above. Give your answer in 2 significant figures.
A) 11m
B) 15m
C) 5.3m
D) 6.8m
- 11. 11. A group of number are written in ascending order of magnitude as (x -2), 8, (5 + x), 12, (x + 14). Find the range of the number
A) 16
B) 14
C) 12
D) 18
- 12. 12. What is the value of the trigonometric ratio sin 60⁰?
A) √3/2
B) 1/2
C) 1/√3
D) √3/1
- 13. 13. y varies partly as the square of x and partly as the inverse of the square of x. Write the expression for y while introducing the constant (s).
A) y =ax² + b/√x
B) y =ax² + √b/x
C) y =a√x² + b/√x
D) y =abx² + 1/√x
- 14. 14. A number of families were asked how many children they had. The results are above. Calculate the median
A) 5
B) 2
C) 4
D) 3
- 15. 15. The distribution of the daily wages in #100.00 of some workers on a farm is as given above: (a) How many workers are on the farm?
A) 64
B) 55
C) 77
D) 56
- 16. 16. Use the information in question 15 to answer the following: (b) Calculate the median wage
A) #100.00
B) #500.00
C) #600.00
D) #800.00
- 17. 17. Determine the mode of the distribution above.
A) 9
B) 6
C) 10
D) 5
- 18. 18. Calculate x in the diagram above. Correct your answer to 2 significant figures
A) 6.8m
B) 9.8m
C) 11m
D) 15m
- 19. 19. Solve the simultaneous equations: x + 2y = 3 and 2x - 5y = -12
A) x = -1 and y = 2
B) x = -⅓ and y = 2
C) x = -1 and y = 1⅔
D) x = 1 and y = -2
- 20. 20. Solve the following equations using elimination method. 2w -3x = 10 and 5w + 4x = 2
A) w = 2 and x = -2
B) w = -1 and x = 3
C) w = 2 and x = 2
D) w = 3 and x = -1
|