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CBSE - X - Mathematics - Real Numbers

How will we come to know when to do HCF or LCM in a problem?

Asked by Amuthavalli Thayyal Gopala Krishnan 9th September 2013, 9:01 PM
Answered by Expert

Answer:

Here are a few tips to recognise what needs to be determined

Look for what quantities  to be determined, 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 reoccurrence of events then find LCM.

Answered by Expert 9th September 2013, 9:15 PM

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