A circular field has a circumference fo 360km. 3 cyclists starts together and can cycle 48,60,72kms respectively .After how many hours will they meet again at the starting point ??
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The time each takes to complete a round of circular field,360/48 = 7.5360/60 = 6360/72 = 5 days.Now 75/10, 6, 5.They'll meet at the time equal to the LCM,which is 30 days.
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