Question

HCF of two numbers is 27 and their LCM is 162. If one of the numbers is 54, then the other number is ______.

Options

• 36

• 35

• 9

• 81

Answer 1

HCF of two numbers is 27 and their LCM is 162. If one of the numbers is 54, then the other number is 81.

Explanation:

Let y be the second number.

Since, product of two numbers = LCM × HCF

Therefore, 54 × y = 162 × 27

`y = (162 xx 27)/54`

y = 81