- 1. 1. Approximate 29.678 to 2 significant figures
A) 29.0 B) 30 C) 20 D) 29
- 2. 2. Round off 14.07 ÷ 6.7 to the nearest whole number
A) 2 B) 2⅘ C) 3 D) 2⅕
- 3. 3. Approximate 18624 to the nearest thousand
A) 18600 B) 18700 C) 18000 D) 19000
- 4. 4. Round off 2.1234 to the nearest thousandth
A) 2.1234 B) 2.13 C) 2.124 D) 2.123
- 5. 5. Convert (45)_10 to a binary number
A) (1100101)_2 B) (101101)_2 C) (101100)_2 D) (111101)_2
- 6. 6. Convert 111000 into a base ten number.
A) (11)_10 B) (56)_10 C) (63)_10 D) (41)_10
- 7. 7. Change (49)_10 to a base six number
A) (21)_6 B) (434)_6 C) (121)_6 D) (1021)_6
- 8. 8. Convert (432)_5 to a base ten number
A) (117)_10 B) (121)_10 C) (129)_10 D) (217)_10
- 9. 9. Calculate (1111101)_2 ÷ (101)_2
A) (11001)_2 B) (11110)_2 C) (10001)_2 D) (11101)_2
- 10. 10. Simplify (-3) - (+7) + (+14)
A) +24 B) +4 C) -4 D) -24
- 11. 11. Simplify 6x - 9x - (-5x)
A) +8x B) -8x C) -2x D) +2x
- 12. 12. Solve 17 - f = 11
A) f = 6 B) f = -6 C) f = -28 D) f = 28
- 13. 13. Simplify 3m - 8m - 2m + 16m - 4m
A) -5m B) -21m C) 5m D) 21m
- 14. 14. Simplify 18a - 3b - 6a + 10b
A) 12a -7b B) -19ab C) 19ab D) 12a + 7b
- 15. 15. There are 180 people at a meeting. There were n men and n women. The rest were children. How many children were at the meeting?
A) 180 x 2n B) 2n - 180 C) 180 - 2n D) 2n + 180
- 16. 16. A woman has x eggs in a basket. She sells one-third of them to another woman. Two of the eggs get broken. How many eggs are left in the basket?
A) 2x/3 + 2 B) 2x - 2 C) 2x/3 - 2/6 D) 2x/3 - 2
- 17. 17. Simplify 5x³ ÷ x²
A) 5x² B) 5x C) 5x⁵ D) 5
- 18. 18. Simplify 40pq² ÷ 8pq
A) 5p²q B) 5q C) 5pq D) 5pq²
- 19. 19. Simplify 42xy ÷ 7y
A) 6x B) 6xy² C) 6y D) 6xy
- 20. 20. Simplify 6ab² x 6a²ba
A) 36a²b² B) 36a²b³ C) 36a³b² D) 36a³b³
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