The LCM and HCF of two numbers are 180 and 6 respectively.
Question:

The LCM and HCF of two numbers are 180 and 6 respectively. If one of the numbers is 30, find the other number.

Solution:

GIVEN: LCM and HCF of two numbers are 180 and 6 respectively. If one number is 30

TO FIND: Other number 

We know that,

L.C.M $\times$ H.C.F $=$ First Number $\times$ Second Number

$180 \times 6=30 \times$ Second Number

Second Number $=\frac{180 \times 6}{30}$

Second Number $=36$

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