Math 3rd Assessment for SS 1
  • 1. 1. Convert [[37]]_10 to base five
A) 122
B) 1023
C) 1001011
D) 1225
  • 2. 2. Convert [[1264]]_8 to base ten
A) 629
B) 117
C) 171
D) 692
  • 3. 3. Convert [[211]]_3 to base eight
A) 26
B) 7
C) 62
D) 11
  • 4. 4. Convert 1.101 to decimal
A) 0.25
B) 0.125
C) 1.625
D) 0.625
  • 5. 5. In what base is the addition 465 + 24 + 225 = 1050?
A) 6
B) 5
C) 7
D) 9
  • 6. 6. Calculate [[212]]_3 x [[201]]_3 giving your answer as a number in base three
A) 113021
B) 121012
C) 11512
D) 10152
  • 7. 7. Evaluate 11110 ÷ 110
A) 1011
B) 110
C) 1100
D) 101
  • 8. 8. If [[34]]_5= 23_x, find x.
A) x = 16
B) x = 8
C) x = -16
D) x = -8
  • 9. 9. Simplify 0.0589 + 7.382 - 0.7953 correct to 2 decimal places.
A) 6.65
B) 6.64
C) 8.24
D) 8.20
  • 10. 10. Evaluate 6 - 36( mod 9)
A) 6
B) 3
C) 5
D) 0
  • 11. 11. Evaluate 27 x (20 x 3-2)/ 4
A) 6
B) ⅓
C) 48
D) 12
  • 12. 12. If x is a whole number such that 2x +1 =4 mod 7, find the least value of x.
A) 5
B) 2
C) 3
D) -1
  • 13. 13. Simplify 125-2/3 x 15
A) 13
B) ⅔
C) ⅚
D) ⅗
  • 14. 14. Evaluate (3.69 x 105) ÷ (1.64 x 10-3)
A) 2.25 x 108
B) 2.25 x 10-8
C) 2.25x 102
D) 2.25 x 10-2
  • 15. 15. Express the sum of 6.03 x 106 and 2.17 x 105 in standard form.
A) 6.247 x 106
B) 6.247 x 1011
C) 62.47 x 106
D) 624.7 x 1011
  • 16. 16. Express 0.0006131 in standard form
A) 613.1 x 10-4
B) 6.131 x 104
C) 6.131 x 10-4
D) 613.1 x 104
  • 17. 17. Simplify (1/16) + 5 (90)
A) 7/25
B) 13
C) 3½
D) 2/3
  • 18. 18. Evaluate 2 ÷ (64/125)-⅔
A) 3 ½
B) 2 ⅛
C) 1 ⁷/25
D) 5 ⅚
  • 19. 19. Simplify 125 x 49½ x 10-1
A) 35/5
B) 6 ⅞
C) 2 ⅓
D) 3 ½
  • 20. 20. Given that 102 = 100, write the expression in logarithmic form
A) 100 = log10 2
B) 3 = log10 100
C) 2 = log10 100
D) 1 = log10 102
  • 21. 21. Simplify [[log]]_3 54 + [[log]]_3 15 - [[log]]_3 10
A) 5.9
B) 12
C) 49
D) 4
  • 22. 22. Evaluate [[log]]_10 45 + [[log]]_10 9-1 - [[log]]_10 2-1 without using table
A) 5
B) 1
C) 10
D) 2
  • 23. 23. Simplify [[log]]_10 √1000
A) ⅔
B) 1½
C) ½
D) 10
  • 24. 24. Evaluate [[110100]]_2 ÷[[100]]_2
A) [[1010]]_2
B) [[1101]]_2
C) [[1111]]_2
D) [[1001]]_2
  • 25. 25. If 23_x = [[32]]_5, find the value of x
A) 4
B) 5
C) 6
D) 7
  • 26. 26. Evaluate 4 + (3 x 2) mod 6
A) 10
B) 2
C) 4
D) 0
  • 27. 27. Sum up the following numbers 0.032, 4.154, 6.0 and 0.3065, to two decimal places
A) 10.49
B) 10.50
C) 11.00
D) 10.40
  • 28. 28. Approximate 65009.269 to 1 significant figure.
A) 650009.270
B) 65009.300
C) 65010.000
D) 70000.000
  • 29. 29. Express the number 0.0099687 correct to four decimal places
A) 0.0100
B) 0.0010
C) 0.0090
D) 0.0099
  • 30. 30. Solve [[log]]_3 (2x + 1) - [[log]]_3 (x - 3) = 2
A) 4
B) 3½
C) 2
D) 8
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