Hemu, Anshul and Gaurav start running around a circular stadium and complete one round in 27 s, 9s, and 36s,
respectively. In how much time will they meet again at starting point?
(1) 2 min 36 s
(2) 2 min 25 s
(3) 3 min 11 s
(4) 1 min 48 s
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Answer:
1st of all you have to find lcm of the given time......
your answer will be option 4
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