Question
Fri April 06, 2012 By: Rohit Mathur

How will we come to know that when we have to find LCM or HCF of numbers?

Expert Reply
Sun April 08, 2012

If the problem asks for maximum  things, like  Find the maximum numbers of rooms required, greatest size of a measuring can, etc, then we need to find HCF.

If the problem asks for simultaneous occurrence of events then we need to find LCM.

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