16. A, B and C start running around a circular field having circumference 144 metre at the same time from the same point. Speeds of A, B and C are 6 m/minute, 8 m/minute and 12 m/minute. Find after how much time, they will meet again at the same point for the first time.(Please answer with details)
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Answer:
Time taken by A to complete one round
= 144 = 24 minutes
6
Time taken by B to complete one round
= 144 = 18 minutes
8
Time taken by C to complete one round
= 144 = 12 minutes
12
LCM of 24, 18 and 12 = 72
Hence, they will meet after 72 minutes.
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