- 1. 1. A cup can hold 2.5 litres of a liquid. How many times can it be used to take water from 50 liters keg.
A) 21
B) 24
C) 20
D) 23
- 2. 2. Which of these is the best approximation of N24 585?
A) N24 59
B) N24 590
C) N24 581
D) N24 600
- 3. 3. Divide 0.45 by 0.05 by rough calculation to 1 d.p.
A) 5
B) 0.5
C) 9
D) 0.9
- 4. 4. A shop keeper sells 25 books every week. If a book cost N4.5, estimate how much he makes per week.
A) N25
B) N135
C) N55
D) N125
- 5. 5. An athelet's pace is 5cm. How many paces will it take in a 40 metres race? Leave your answer in centimetres.
A) 800cm
B) 8cm
C) 8000cm
D) 80cm
- 6. 6. How many unique digits are there in a binary system?
A) 3
B) 1
C) 4
D) 2
- 7. 7. 2025 in octanary means
A) 2 thousends 0 hundred 2 tens and 5 units
B) 2 four hundred 12 zero sixty 4 two eightand 5 units
C) 2 thousends 12 hundred 4 tens and 5 units
D) 2 four hundred 0 zero sixty 2 two eightand 5 units
- 8. 8. Quinary sydtem means
A) Number system in base 3
B) Number system in base 2
C) Number system in base 5
D) Number system in base 4
- 9. 9. Change 30 to binary
A) 10100
B) 11100
C) 11110
D) 11101
- 10. 10. change 101 base 2 to denary
A) 5
B) 151
C) 102
D) 13
- 11. 11. What number is 2 less than 5
A) 7
B) 10
C) -3
D) 3
- 12. 12. What's the value of m in the equation: 2m+5=11
A) 6
B) 5
C) 3
D) 2
E) 4
- 13. 13. Simplify the expression: 3(2x-1)
A) 6x-3
B) 6x+3
C) 5x+2
D) 5x-2
- 14. 14. Solve the equation: y-2=7
A) y=9
B) y=10
C) y=5
D) y=12
- 15. 15. Simplify the expression: x+3x
A) 4x
B) x3x
C) 3xx
D) 3x²
- 16. 16. What's the value of x in the equation: 3x=12
A) x=12
B) x=4
C) x=3x
D) x=12x
- 17. 17. Simplify the equation: 2x-6
A) 3(x-2)
B) 2(6-x)
C) 2(x-3)
D) 4(2-x)
- 18. 18. Find the value of x in the expression :(x/2)+ 3=5
A) x=4
B) x=1
C) x=2
D) x=8
- 19. 19. Simplify the expression: 3x-4x
A) 2x
B) 7x
C) -x
D) x
- 20. 20. Solve the equation: 2x-1=7
A) x=6
B) Not stated in the option
C) x=4
D) x=8
- 22. 22. Is 2m=22 correct when m=16 ?
A) True
B) False
C) Error in question
D) None of the above
- 23. 23. Is 4=3+x correct when x=4?
A) None of the above
B) True
C) False
- 24. 24. Solve for y when 5y+6=21.
A) y=3
B) y=7
C) y=8
D) y=0
- 25. 25. Solve for w when 4=4+8w.
A) None of the above
B) w=13
C) w=0
D) w=5
- 26. 26. Solve for n when 4n+3=19
A) n=8
B) n=2
C) n=14
D) n=4
- 27. 27. Solve for c when 9c +11=65
A) c=4
B) c=6
C) c=1
D) c=7
- 28. 28. Solve for b when 5b -12=3
A) b=6
B) b=3
C) b=4
D) b=1
- 29. 29. Solve for u when 1+2u=23
A) u=4
B) u=11
C) u=8
D) u=12
- 30. 30. Solve for z in the equation:6z+9=23
A) z=2⅔
B) z=2
C) z=2⅓
D) z=⅕
- 31. 31. What's the value of h in the equation:9=3h+7
A) h=0
B) h=⅖
C) h=⅔
D) h=⅘
- 32. 32. The value of b in the 5b-15=16?
A) b=¾
B) b=10⅓
C) b=⅝
D) b=⅑
- 33. 33. What's the value of p in 3+8p=51
A) p=¾
B) p=⅘
C) p=5
D) p=6
- 34. 34. The value of f in 29=5f+4 is?
A) f=4
B) f=0
C) f=5
D) f=2
- 35. 35. Find the value of s in the equation: 7s-10=18
A) s=5
B) s=7
C) s=0
D) s=4
- 36. 36. What's the value of h in the equation:47=10h-33
A) h=5.4
B) h=1.4
C) h=0
D) h=7
- 37. 37. Solve for x when 3x+5x=6x+4
A) x=2
B) None of the above
C) x=0
D) x=5
- 38. 38. If 5x+6=10. Find the value of x.
A) x=0
B) x=7
C) x=⅘
D) x=1
- 39. 39. If x+78=589, what's the value of x.
A) x=667
B) x=689
C) x=511
D) x=09
- 40. 40. if x=67, x+55=56 is?
A) All of the above
B) None of the above
C) False
D) True
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