Revision: HCF and LCM

Find the HCF of 24 and 36.

• 30

• 12

• 6

• 18

Find the LCM of 8 and 12.

• 30

• 24

• 20

• 16

If the HCF of two numbers is 5 and one number is 25, find the other number.

• 36

• 5

• 24

• 18

If the LCM of two numbers is 30 and one number is 6, find the other number.

• 10

• 15

• 5

• 20

Find the HCF of 48 and 64.

• 16

• 24

• 20

• 12

Find the LCM of 15 and 25.

• 50

• 100

• 125

• 75

If the HCF of two numbers is 8 and one number is 32, find the other number.

• 45

• 25

• 48

• 18

If the LCM of two numbers is 45 and one number is 9, find the other number.

• 7

• 15

• 5

• 3

Find the HCF of 72 and 108.

• 45

• 18

• 36

• 24

Find the LCM of 18 and 27.

• 45

• 36

• 54

• 63