Multiple Choice Questions on X Y and Z start at same point and same time in the same direction to run around a circular stadium X........... for CDS Exam Preparation

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Multiple Choice Questions

X Y and Z start at same point and same time in the same direction to run around a circular stadium X...........

Quantitative Aptitude (CDS) LCM, HCF
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    X,Y and Z start at same point and same time in the same direction to run around a circular stadium . X completes a round in 252 seconds , Y in 308 and Z in 198 seconds.After what time will they meet again at the starting point?

    26 min 18 sec

    Incorrect Answer

    42 min 36 sec

    Incorrect Answer

    45 min

    Incorrect Answer

    46 min12 sec

    Correct Answer
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    Explanation:

    time taken by X,Y and Z is 252, 308 and 198
    LCM of 252, 308 and 198 is 2772 sec = 46 min , 12 sec

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