The ratio of two numbers is 6 : 7 and their HCF is 3. Their LCM is _____.
Answer & explanation
Correct answer: option 4
Let the numbers be 6x and 7x.
Then, their HCF =x
So, x=3 .... given
So, the numbers are 6x=18 and 7x =21
LCM of 18 and 21 is 126.
The ratio of two numbers is 6 : 7 and their HCF is 3. Their LCM is _____.
Correct answer: option 4
Let the numbers be 6x and 7x.
Then, their HCF =x
So, x=3 .... given
So, the numbers are 6x=18 and 7x =21
LCM of 18 and 21 is 126.