HCF and LCM Problems – Aptitude Test Questions with Answers

HCF and LCM

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

56 cm

28 cm

42 cm

14 cm

2 / 10

HCF of 12, 32, and 48 is –

0

1

3

4

3 / 10

If p is a prime number and p is not divisible by m, the LCM of p and m is –

m/p

p/m

pm

p - m

4 / 10

Three friends have 24, 36, and 60 chocolates, respectively. What is the largest number of chocolates they can share equally?

24

12

60

18

5 / 10

What are the common factors of 24 and 36?

1, 2, 3, 5, 8, 12

1, 2, 3, 5, 6, 12

1, 2, 3, 4, 8, 12

1, 2, 3, 4, 6, 12

6 / 10

The common factor between 18 and 25 is –

1

0

3

2

7 / 10

The common multiples of 2 and 3 are –

6, 12, 18, 24, ...

1, 4, 6, 8, ...

6, 12, 28, 24, ...

6, 12, 16, 24, ...

8 / 10

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

5

25

35

15

9 / 10

The product of LCM and HCF of two numbers is –

Unrelated to the product of the numbers

Less than the product of the numbers

Equal to the product of the numbers

Greater than the product of the numbers

10 / 10

The GCD of 2/3 and 3/4 is –

2/4

1/12

1/6

3/5

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