Question
Jiya, Kavya, Shivam, and Mani start walking from the
same point in the same direction around a rectangular track and each one of them completes one round in 180 seconds, 270 seconds, 360 seconds, and 450 seconds respectively. After how much time will they all meet again at one point?Solution
Jiya Kavya, Shivam, And Mani=180,270,360,450second LCM of 180,270,360,450second=5400sec Meeting point =5400/60min =90min=1 hours 30 minutes
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