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# Class 4 LCM & HCF Worksheet - 2

1. The LCM of two Coprime numbers is their sum. Mark True / False.

a) True                      b) False

2. LCM of 3 and 5 is equal to ________.

a) 3                        b) 5
c) 10                      d) 15

3. LCM of 25 and 30 is equal to ________.

a) 50                        b) 100
c) 150                      d) 750

4. LCM of 8, 16 and 24 is equal to ________.

a) 8                       b) 16
c) 24                     d) 48

5. LCM of 10, 100 and 1000 is equal to ________.

a) 100                     b) 1000
c) 10                       d) None of these

6. What is the difference between the LCM and HCF of the numbers 20 and 25?

a) 100                     b) 5
c) 95                       d) None of these

7. What is the HCF of 65 and 160?

a) 13                      b) 32
a) 5                        b) None of these

8. What is the LCM of 84, 96 and 24?

a) 24                      b) 42
c) 96                      d) 672

9. LCM of two prime numbers is equal to ________ of both the numbers.

a) Sum                       b) Subtraction

10. What is the HCF of 28 and 35?

a) 28                       b) 35
c) 140                     d) 7

LCM & HCF Worksheet - 3