computation of whole numbers, decimals and fractions, relationships between numbers - Question Bank

1. If a number is added to itself, the sum is 50. What is the number?
A) 20
B) 25
C) 30
D) 50
2. Arrange the following fractions in descending order: 1/2, 2/3, 3/4.
A) 1/2, 2/3, 3/4
B) 3/4, 2/3, 1/2
C) 2/3, 3/4, 1/2
D) 1/2, 3/4, 2/3
3. What is 15% of 200?
A) 15
B) 20
C) 30
D) 40
4. The sum of the squares of two consecutive whole numbers is 25. What is the smaller number?
A) 0
B) 1
C) 2
D) 3
5. What is the value of 1/0.25?
A) 0.25
B) 1/4
C) 4
D) 0.04
6. If a number is divided by 9, the remainder is 5. What is the remainder when twice the number is divided by 9?
A) 1
B) 2
C) 5
D) 10
7. Convert the mixed number 2 3/5 to an improper fraction.
A) 10/5
B) 13/5
C) 8/5
D) 5/13
8. What is the greatest common divisor (GCD) of 24 and 36?
A) 6
B) 12
C) 4
D) 18
9. Calculate: 0.1 * 0.01
A) 0.1
B) 0.01
C) 0.001
D) 0.0001
10. If 75% of a number is 60, what is the number?
A) 75
B) 80
C) 90
D) 100
11. What is the sum of the first 5 even whole numbers?
A) 20
B) 30
C) 25
D) 10
12. Which fraction is equivalent to 1.5?
A) 1/2
B) 3/2
C) 2/3
D) 15/100
13. What is the largest 4-digit whole number that is divisible by 10?
A) 9990
B) 9999
C) 10000
D) 9900
14. Find the value of 3.14 * 20.
A) 6.28
B) 62.8
C) 628
D) 6.028
15. If 2/5 of a quantity is 40, what is the whole quantity?
A) 80
B) 100
C) 120
D) 200
16. What is the least common multiple (LCM) of 8 and 12?
A) 16
B) 20
C) 24
D) 96
17. A number is decreased by 20% and then increased by 20%. What is the net percentage change?
A) 4% increase
B) 4% decrease
C) No change
D) 20% decrease
18. Convert 5/4 to a decimal.
A) 1.2
B) 1.25
C) 1.5
D) 0.8
19. What is the product of the first three prime numbers?
A) 6
B) 10
C) 30
D) 12
20. If 0.5 is 1/2 of a number, what is the number?
A) 0.25
B) 1
C) 1.5
D) 2
21. What is the sum of the digits of the number 789?
A) 21
B) 24
C) 18
D) 20
22. Calculate: 100 / 0.5
A) 50
B) 200
C) 20
D) 100.5
23. Which of the following numbers is divisible by 3, 4, and 5?
A) 30
B) 45
C) 60
D) 90
24. What is the value of 0.001 as a fraction?
A) 1/10
B) 1/100
C) 1/1000
D) 1/10000
25. If a number is divided by 7, the quotient is 12 and the remainder is 3. What is the number?
A) 84
B) 87
C) 81
D) 90
26. Find the smallest fraction among 2/3, 3/4, 4/5, 5/6.
A) 2/3
B) 3/4
C) 4/5
D) 5/6
27. What is the difference between 5.25 and 2.75?
A) 2.5
B) 3.5
C) 2.75
D) 3.25
28. Convert 1/5 to a percentage.
A) 5%
B) 10%
C) 20%
D) 25%
29. The sum of three consecutive whole numbers is 39. What is the middle number?
A) 12
B) 13
C) 14
D) 15
30. What is the reciprocal of 5/7?
A) 7/5
B) -5/7
C) 5/7
D) 1/5
31. If 3/4 of a number is 30, what is the number?
A) 40
B) 35
C) 45
D) 25
32. Calculate: 25.5 * 4
A) 100
B) 102
C) 101
D) 105
33. What is the smallest prime number?
A) 0
B) 1
C) 2
D) 3
34. A number is increased by 10% and then decreased by 10%. What is the net percentage change?
A) 1% increase
B) 1% decrease
C) No change
D) 10% increase
35. Find the value of (5/6) ÷ (10/12).
A) 1
B) 1/2
C) 2
D) 5/4
36. Which fraction is equivalent to 0.6?
A) 3/5
B) 6/100
C) 6/10
D) 3/10
37. Convert 0.875 to a fraction in its simplest form.
A) 7/8
B) 8/7
C) 7/10
D) 8/10
38. What is the sum of the smallest and largest 3-digit whole numbers?
A) 1099
B) 1000
C) 999
D) 1100
39. If a number is multiplied by 7, the result is 105. What is the number?
A) 15
B) 12
C) 20
D) 10
40. What is 1/3 of 75?
A) 20
B) 25
C) 30
D) 15
41. Arrange the following decimals in ascending order: 0.5, 0.05, 0.55, 0.505
A) 0.05, 0.5, 0.505, 0.55
B) 0.5, 0.05, 0.55, 0.505
C) 0.05, 0.505, 0.5, 0.55
D) 0.55, 0.505, 0.5, 0.05
42. The difference between two whole numbers is 15. The sum of the two numbers is 55. What is the larger number?
A) 35
B) 40
C) 20
D) 30
43. What is the product of 5/6 and 3/10?
A) 1/4
B) 15/60
C) 1/2
D) 5/4
44. If 0.25 is 1/4 of a number, what is the number?
A) 0.0625
B) 1
C) 0.5
D) 1.25
45. Calculate: 12.5 + 3.75 - 2.125
A) 14.125
B) 13.125
C) 15.125
D) 14.375
46. What is the smallest whole number that is divisible by both 4 and 6?
A) 12
B) 24
C) 8
D) 10
47. Which is greater: 7/10 or 0.701?
A) 7/10
B) 0.701
C) They are equal
D) Cannot be determined
48. Convert the fraction 3/8 to a decimal.
A) 0.375
B) 0.380
C) 0.3
D) 0.8
49. If a number is divided by 5, the remainder is 3. What is the remainder when the square of the same number is divided by 5?
A) 1
B) 2
C) 3
D) 4
50. What is the sum of the first 10 positive whole numbers?
A) 45
B) 55
C) 60
D) 50
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