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LCM of two number is 378 and their HCF i...

LCM of two number is `378` and their HCF is `9`. If one of the number is `63`, then find the other number.

A

`74`

B

`54`

C

`44`

D

`64`

Text Solution

Verified by Experts

The correct Answer is:
B
We know that `LCM xx HCF`= The product of two numbers.
Let the products of two number be `N_(2)`.
`378xx9=63xxN_(2)`
`378=7N_(2)`
`N_(2)=(378)/(7)=54`
`:.` The other number is 54.
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