Problems on H.C.F and L.C.M - Arithmetic Aptitude Questions and Answers

Home / Arithmetic Aptitude / Problems on H.C.F and L.C.M :: Discussion

There are two numbers. HCF of both the numbers is 11, and their LCM is 693. If the first number is 77, find the second number?

Answer : Option D

Explanation :

The product of two numbers = HCF * LCM

Let the required number is = x

So, 77 * x = 11 * 693

Hence, x=99.

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