P Q and R start running around a circular field having circumference 88 metre at the same time from ...........

Quant (SSC) Time & distance

P, Q and R start running around a circular field having circumference 88 metre at the same time from the same point. Speeds of P, Q and R are 4 m/minute, 8 m/minute and 11 m/minute. Find after how much time, they will meet again at the same point for the first time.

88 minutes

44 minutes

40 minutes

60 minutes

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Explanation:

Time taken by A to complete one round = 88/4 = 22 minutes
Time taken by B to complete one round = 88/8 = 11 minutes
Time taken by C to complete one round = 88/11 = 8 minutes
HCF of 22, 11 and 8 = 88
Hence, they will meet again after 88 minutes.