Practice Test Discussion

Q)

Punit, Vinit and Ajit begin to jog around a stadium. They complete their revolutions in 45 s, 54 s and 36 s respectively. After how many seconds, will they be together at the starting point?

[RBI Grade B Officer, 2008]

    • Explanation

    Here, to find out the time after which they will meet one another at the starting point, we have to find LCM of 45s, 36s and 54s

    So, LCM of 45,36 and 54= 540s

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