Asked by SHIVASIS MOHANTY | 13th Apr, 2013, 09:24: AM

Expert Answer:

You needs to find LCM when the question is asking about a common multiple of many numbers while HCF is calculated when it is all about finding the common divisor for a multiple numbers. 

Answered by  | 14th Apr, 2013, 05:59: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.