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Mixed Math Questions Quiz

Total questions: 71

Worksheet time: 2hrs 41mins

Name
Class
Date
1.

Convert 1011₂ to base 10.

4 lines
2.

Convert 23 to base 3.

4 lines
3.

Convert 1111₄ to base 10.

4 lines
4.

Convert 45₁₀ to base 6.

4 lines
5.

Convert the mixed fraction 3 1/4 to an improper fraction.

4 lines
6.

Convert 17/5 to a mixed number.

4 lines
7.

Add: 2/3 + 4/5

a)

1

b)

1.2

c)

1.4

d)

1.6

8.

Subtract: 7/9 - 2/3

a)

1/9

b)

1/3

c)

1/6

d)

1/2

9.

Multiply: 3/4 × 5/6

a)

1/2

b)

5/8

c)

15/24

d)

1/4

10.

Divide: 2/5 ÷ 4/7

a)

7/10

b)

14/20

c)

7/8

d)

5/8

11.

Find the LCM of 12 and 18.

a)

36

b)

24

c)

30

d)

12

12.

Find the HCF of 48 and 60.

a)

12

b)

6

c)

24

d)

18

13.

Find the LCM of 4x and 6x^2.

a)

12x^2

b)

24x^2

c)

6x

d)

4x

14.

Find the HCF of 12a^2 and 18a.

a)

6a

b)

12a

c)

3a

d)

9a

15.

Convert 11010₂ to base 10.

4 lines
16.

Convert 88 to base 5.

4 lines
17.

Convert 6 2/3 to improper fraction.

4 lines
18.

Convert 19/4 to a mixed fraction.

4 lines
19.

Add: 5/8 + 3/10

a)

1

b)

0.8

c)

0.7

d)

0.9

20.

Subtract: 9/10 - 2/5

a)

1/5

b)

1/2

c)

3/10

d)

1/4

21.

Multiply: 7/9 × 2/3

a)

14/27

b)

1/3

c)

1/2

d)

1/4

22.

Divide: 6/7 ÷ 3/8

a)

16/21

b)

1/2

c)

1/3

d)

1/4

23.

LCM of 15, 25

a)

75

b)

50

c)

100

d)

25

24.

HCF of 36 and 54

a)

18

b)

12

c)

6

d)

9

25.

LCM of 5x and 10x^2

a)

10x^2

b)

5x

c)

15x

d)

20x

26.

HCF of 20y^3 and 25y^2

a)

5y^2

b)

10y^2

c)

15y^2

d)

20y^2

27.

Convert 10101₂ to base 10.

4 lines
28.

Convert 70 to base 4.

4 lines
29.

Convert 5 3/5 to improper fraction.

4 lines
30.

Convert 23/6 to mixed fraction.

4 lines
31.

Add: 7/12 + 5/6

a)

1

b)

0.8

c)

0.7

d)

0.9

32.

Subtract: 11/12 - 3/8

a)

1/3

b)

1/4

c)

1/5

d)

1/6

33.

Multiply: 4/5 × 9/10

a)

36/50

b)

1/2

c)

1/4

d)

1/3

34.

Divide: 3/8 ÷ 6/7

a)

7/16

b)

1/2

c)

1/3

d)

1/4

35.

LCM of 10, 30, 45

a)

90

b)

60

c)

30

d)

15

36.

HCF of 16, 40, 72

a)

8

b)

4

c)

2

d)

6

37.

LCM of 3a, 9a^2, 6a

a)

9a^2

b)

6a

c)

3a

d)

12a

38.

HCF of 18x, 27x^2, 36x^3

a)

9x

b)

6x

c)

3x

d)

12x

39.

Convert 10001₂ to base 10.

4 lines
40.

Convert 95 to base 6.

4 lines
41.

Convert 2 7/8 to improper fraction.

4 lines
42.

Convert 45/7 to mixed number.

4 lines
43.

Add: 11/15 + 4/9

a)

1

b)

0.8

c)

0.7

d)

0.9

44.

Subtract: 7/10 - 3/5

a)

1/5

b)

1/2

c)

3/10

d)

1/4

45.

Multiply: 5/12 × 8/15

a)

1/3

b)

1/4

c)

1/2

d)

1/5

46.

Divide: 9/11 ÷ 3/4

a)

12/11

b)

1/2

c)

1/3

d)

1/4

47.

LCM of 14 and 21

a)

42

b)

28

c)

35

d)

21

48.

HCF of 63 and 49

a)

7

b)

9

c)

6

d)

8

49.

LCM of 2b^2 and 6b

a)

6b^2

b)

2b

c)

4b

d)

8b

50.

HCF of 10a^3 and 15a^2

a)

5a^2

b)

10a^2

c)

15a^2

d)

20a^2

51.

Convert 100110₂ to base 10.

4 lines
52.

Convert 42 to base 7.

4 lines
53.

Convert 4 5/6 to improper fraction.

4 lines
54.

Convert 50/9 to mixed number.

4 lines
55.

Add: 2/7 + 5/14

a)

1

b)

0.8

c)

0.7

d)

0.9

56.

Subtract: 13/20 - 1/4

a)

1/5

b)

1/2

c)

3/10

d)

1/4

57.

Multiply: 6/11 × 3/5

a)

18/55

b)

1/2

c)

1/3

d)

1/4

58.

Divide: 10/13 ÷ 2/3

a)

15/26

b)

1/2

c)

1/3

d)

1/4

59.

LCM of 8, 12, 20

a)

60

b)

40

c)

30

d)

20

60.

HCF of 45, 60, 75

a)

15

b)

10

c)

5

d)

20

61.

LCM of 7x and 3x^2

a)

21x^2

b)

7x

c)

3x

d)

10x

62.

HCF of 14y^2, 28y, 42

a)

14

b)

7

c)

21

d)

28

63.

Convert 111111₂ to base 10.

4 lines
64.

Convert 64 to base 8.

4 lines
65.

Convert 1 1/10 to improper fraction.

4 lines
66.

Convert 17/3 to mixed number.

4 lines
67.

Add: 13/18 + 5/12

a)

1

b)

0.8

c)

0.7

d)

0.9

68.

Subtract: 19/24 - 7/8

a)

1/5

b)

1/2

c)

3/10

d)

1/4

69.

Multiply: 11/14 × 2/7

a)

1/2

b)

1/4

c)

1/3

d)

1/5

70.

Divide: 5/6 ÷ 2/3

a)

5/4

b)

1/2

c)

1/3

d)

1/4

71.

LCM of 13 and 39

a)

39

b)

26

c)

52

d)

13

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