Question

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?

Answer 1

L.C.M of 252,308 & 198 is 2772

Hence,A,B&C will meet again at the starting point in 2772 sec =46 min.12sec

Answer 2

$LCM (252,308,198)=>2772sec$

$1 min=>60 sec$

$2772$$sec=> 46$$min$$12$$sec$ ANSWER

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