Practice HCF and LCM – MCQ Quiz for Competitive Exams

HCF and LCM

Read the instructions carefully before starting the HCF and LCM quiz.

The HCF and LCM quiz has 10 math MCQs.
You have only 10 minutes to complete the quiz.
If you do not answer any question within the allotted time, it will be marked as incorrect.
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1 / 10

LCM of 30 and 45 is –

70

80

90

72

2 / 10

Which number is the HCF of 45, 75, and 105?

15

25

35

5

3 / 10

HCF of 12, 32, and 48 is –

4

1

0

3

4 / 10

The common multiples of 2 and 3 are –

6, 12, 28, 24, ...

1, 4, 6, 8, ...

6, 12, 16, 24, ...

6, 12, 18, 24, ...

5 / 10

The GCF of 5/6 and 10/15 is –

5/90

1/3

1/2

5/30

6 / 10

Which of the following is a common factor of 42 and 56?

10

6

7

8

7 / 10

A piece of ribbon is 56 cm long, and another is 84 cm long. What is the greatest length of ribbon that can measure both exactly?

28 cm

42 cm

56 cm

14 cm

8 / 10

The GCD of 2/3 and 3/4 is –

1/6

1/12

3/5

2/4

9 / 10

The smallest number that is divisible by 9, 12, and 18 is –

108

72

54

36

10 / 10

The LCM of 2/3 and 4/9 is –

12

1/18

2/9

4/3

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