- 1. Solve the equation: 1/9 = 1/r
A) r= 9
B) r=-1
C) r= 0
D) r= 1
- 2. Solve the equation: 1/m - 1/4 = 0
A) m =8
B) m = 1
C) m =4
D) m = -4
- 3. Solve the equation: 1/y = 2/7
A) y = 3
B) y = 4
C) y = 4.5
D) y = 3.5
- 4. Solve the equation: 2.5 = 1/s
A) 2/5
B) 1/2
C) 5/2
D) 1/5
- 5. Solve the equation: 11/4 + 1/n = 0
A) n = -4/11
B) n = 4/11
C) n = 11/4
D) n = -11/4
- 6. Solve the equation: 2/t = 6/11
A) t = 11/3
B) t = 3/11
C) t = 9/11
D) t = 11/9
- 7. Solve the equation: 9/10 = 3/z
A) z = 3.5
B) z = 7/5
C) z = 7.5
D) z = 3/5
- 8. Solve the equation: 4/9 - 2/p = 0
A) p= 4.5
B) p= 1.5
C) p= 1/5
D) p= 4/5
A) x =4
B) x =3
C) x =1
D) x =2
- 10. Simplify 10b + b - 3b
A) 8b
B) 7b
C) 8
D) -8b
- 11. Simplify 3c + 5c - 8c
A) 2c
B) 4c
C) 3c
D) 0
- 12. Simplify 7d + 4d - 8d
A) -3d
B) -2d
C) 2d
D) 3d
- 13. Simplify 16e + 12e - 13e
A) 12e
B) 15e
C) 9e
D) 11e
- 14. Simplify 6f - 2f + 3f
A) 8f
B) 7
C) 7f
D) 8
- 15. Simplify 4g - 7g + 10g
A) 6g
B) 8g
C) 7g
D) 9g
- 16. Simplify 20h -15h + 6h
A) 10
B) 10h
C) 11
D) 11h
- 17. Simplify 4b + 2b - 9b + 8b
A) 4b
B) b
C) 5b
D) 3b
- 18. Simplify 20c - 9c - c + 2c
A) 12c
B) 6c
C) 11c
D) 7c
- 19. Simplify 12d - 5d - 3d + 4d
A) 6d
B) 8d
C) 5d
D) 7d
- 20. Simplify the number pattern: (+4) + (-7)
A) -3
B) 28
C) 3
D) -28
- 21. Simplify the number pattern: 5 + (-3)
A) +15
B) +2
C) -2
D) -15
- 22. Simplify the number pattern: (-2) + (-6)
A) -12
B) +12
C) +8
D) -8
- 23. Simplify the number pattern: -8 + (-6)
A) -48
B) -14
C) +48
D) +14
- 24. Simplify the number pattern: 20 + (-20)
A) +40
B) -40
C) 0
D) 10
- 25. Simplify the number pattern: 8 - (-3)
A) 11
B) 10
C) 12
D) 13
- 26. Simplify the number pattern: -(-8) - (-3)
A) +5
B) +24
C) -5
D) -24
- 27. Simplify the number pattern: (+3) - (-8)
A) 9
B) 11
C) 10
D) 8
- 28. Simplify the number pattern: (-3) - (-8)
A) -24
B) -5
C) 5
D) 24
- 29. Simplify the number pattern: (+9) - (-9)
A) -18
B) 18
C) +28
D) 28
- 30. Approximate 18 624 to the nearest ten
A) 18 650
B) 18 620
C) 18 630
D) 18 640
- 31. Approximate 25 246 to the nearest ten
A) 25 240
B) 25 250
C) 25 210
D) 25 230
- 32. Approximate 32 781 to the nearest ten
A) 32 870
B) 32 740
C) 32 780
- 33. Approximate 7 163 to the nearest ten
A) 7 160
B) 7 140
C) 7 610
D) 7 010
- 34. Approximate 2 968 to the nearest ten
A) 2 790
B) 2 070
C) 2 960
D) 2 970
- 35. Approximate 0.164 to the nearest hundredth
A) 0.15
B) 0.17
C) 0.16
D) 0.18
- 36. Approximate 0.167 to the nearest hundredth
A) 0.14
B) 0.17
C) 0.16
D) 0.15
- 37. Approximate 0.706 to the nearest hundredth
A) 0.77
B) 0.71
C) 0.61
D) 0.72
- 38. Approximate 0.702 to the nearest hundredth
A) 0.90
B) 0.60
C) 0.20
D) 0.70
- 39. Approximate 0.295 to the nearest hundredth
A) 0.30
B) 0.20
C) 0.50
D) 0.10
- 40. Round off 1.38 to the nearest whole number
A) 8
B) 0
C) 3
D) 1
- 41. Convert 1101 to a base 10 number
A) 9
B) 6
C) 12
D) 13
- 42. Convert 1110 to a base 10 number
A) 10
B) 14
C) 7
D) 8
- 43. Convert 100000 to a base 10 number
A) 11
B) 12
C) 16
D) 9
- 44. Convert 10010 to a base 10 number
A) 9
B) 5
C) 22
D) 18
- 45. Convert 10101 to a base 10 number
A) 27
B) 21
C) 15
D) 18
- 46. Convert 26 into a binary number
A) 01011
B) 11010
C) 11111
D) 11110
- 47. Convert 32 into a binary number
A) 110011
B) 100110
C) 100000
D) 010101
- 48. Convert 39 into a binary number
A) 111100
B) 101010
C) 001101
D) 100111
- 49. Convert 47 into a binary number
A) 111101
B) 101111
C) 011010
D) 111110
- 50. Convert 52 into a binary number
A) 111100
B) 100110
C) 110100
D) 111111
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