Question

Ntse question do it now...
with steps..

Answer 1

As we already know,
Product of two numbers = Product of their HCF and LCM.
and, As per question,
HCF = 1/5 of LCM
Let LCM of these two numbers be x.
HCF = x/5.
Now,
720 = x*x/5
x^2 = 720*5 = 3600
x = 60.
Then, HCF of two numbers = 1/5 * 60 = 12.

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