- 1. 1. Convert 29 base ten to base two.
A) 10110 base two
B) 11101 base two
C) 1010 base two
D) 101 base two
- 2. 2. Convert 12.625 to a number in base two.
A) 1100.1011
B) 101.101
C) 1011.11
D) 1100.101
- 3. 3. Convert 302.21 to base 3.
A) 20111.11
B) 101.11
C) 3001.2
D) 102012.01
- 4. 4. Convert 111.101 base two to denary.
A) 2.09
B) 7.625
C) 7.09
D) 2.625
- 5. 5. Express (213 + 202) in base four to denary
A) 20
B) 73
C) 90
D) 70
- 6. 6. Subtract 2255in base six from 20035 base six.
A) 101110
B) 500
C) 13340
D) 100
- 7. 7. Find the value of 1111 base two multiplied by 1001 base two.
A) 111011
B) 10111
C) 1110
D) 10000111
- 8. 8. Evaluate 110100 base two divided by 100 base two
A) 110
B) 1011
C) 1101
D) 1010
- 9. 9. Find n if five times n is equal to 311 base n.
A) n=9 or ⅞
B) n=6 or 7
C) n=⅓ or 1
D) n=1 or ⅚
- 10. 10. What is -28(mod 3)?
A) 5
B) 2
C) 90
D) 7
- 11. 11. Find the positive term of -9(mod 5)
A) 1
B) -1
C) 3
D) -3
- 12. 12. What is 10-29(mod 12)
A) 5
B) 8
C) 9
D) 7
- 13. 13. Find the value of 2 divided by 3 in mod 4.
A) 5.6
B) 1
C) 2
D) 10.8
- 14. 14. Find the value of 2 divided by 2 in mod 4.
A) 4
B) 2
C) 1
D) 0.5
- 15. 15. What day will it be 11 days after Wednesday?
A) Monday
B) Sunday
C) Saturday
D) Tuesday
- 16. 16. Using log tables, evaluate: 69.24 times 8.31.
A) 9.6
B) 7.5
C) 2.5
D) 2.7596
- 17. 17. Change 16 to a number in base four.
A) 10110
B) 102
C) 310
D) 100
- 18. 18. Multiply 0.25 by 2500 and put your answer in 3 s.f.
A) 6.25
B) 6.025
C) 6.2501
D) 625
- 19. 19. If today is Monday, what day will it be 16 days later?
A) Sunday
B) Thursday
C) Wednesday
D) Tuesday
- 20. 20. Change 15×10-³ to ordinary number.
A) 15
B) 0.15
C) 0.015
D) 0.0015
- 21. 21. What is the modular equivalent of -24(mod5)
A) 1
B) 5
C) 2
D) 9
- 22. 22. What is the sum of 1050 and 1500 to the nearest thousand.
A) 2000
B) 2500
C) 3000
D) 4000
- 23. 23. Evaluate 0.5624 × 0.0378
A) 1.0378
B) 0.9600
C) 1.7482
D) 0.0213
- 24. 24. If today's Sunday, what day will it be 13 days later?
A) Friday
B) Thursday
C) Sunday
D) Saturday
- 25. 25. 7hours plus 8 hours is what in mod 12?
A) 7hr
B) 2hr
C) 5hr
D) 3hr
- 26. 26. What is -2(mod 9)
A) 9
B) 7
C) 2
D) 5
- 27. 27. Convert 12.05 to a number in base two
A) 1011.11
B) 1100.1
C) 101.01
D) 11001.101
- 28. 28. Write 216 base three in base ten.
A) 101
B) 18
C) 27
D) 9
- 29. 29. Large numbers are?
A) Not less than one
B) Lesser than one
C) More than hundred
D) Equal to one
- 30. 30. Small numbers are?
A) Equals one
B) Lesser than one
C) Less than hundred
D) Greater than one
- 31. 31. What is log 0.01?
A) 1
B) 2
C) -2
D) -1
- 32. 32. The log of 1000 is
A) 2
B) 1
C) 3
D) 0
- 33. 33. Evaluate log (0. 001 × 0.01)
A) Log 0.001 ÷ log 0.01
B) Log 0.001 + log 0.01
C) Log 0.001 × log 0.01
D) Log 0.001 - log 0.01
- 34. 34. Solve log 3√0.001
A) 1
B) 3
C) -3
D) -1
- 35. 35. Log ( 0.1 ÷ 0.0001)
A) 1
B) 3
C) -3
D) -1
- 36. 36. Figures 5-9 is rounded off to
A) 2
B) 0
C) -1
D) 1
- 37. 37. . Figures 0-4 is rounded off to
A) -1
B) 2
C) 1
D) 0
- 38. 38. Round off 0.001234 to 3 s.f.
A) 0.00123
B) -0.00124
C) 0.00124
D) -0.00123
- 39. 39. Correct 123.4567 to 2 d.p
A) 123.457
B) 123.456
C) 123.46
D) 123.45
- 40. 40. Evaluate 0.125 + 1.25 to the nearest tenth
A) 0.4
B) 0.3
C) 1.3
D) 1.4
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