Q 16. There is a circular path around a sports field. Rohan takes 8 minutes to drive one round of the field. Hari takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same direction. In one hour how many times will they meet each other?
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LCM of 8 and 12 is 24. So after 24 mts they will meet 1st time. After every 24 mts, they will meet.
So in 60 mts they will meet 60/24=5/2 times
1st meeting at 24 mts, 2nd meeting at 48 mts and 3rd meeting at 72 mts. So in 1 hr they will meet twice.
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