`A and B` start to run from the same point in the same direction, around a circular track. If they take `64` seconds and `72` seconds respectively to complete one round along the track, when will they meet

Two men start together from the some place in the same direction to go round a circular path. If one takes 10 minutes and the other takes 15 minutes to make one complete round they will meet after

Three girls start jogging from the same point around a circular track and each one completes one round in 24 seconds, 36 seconds and 48 seconds respectively. After how much time will they meet at one point? (a) 2 minutes 20 seconds (b) 2 minutes 24 seconds (c) 3 minutes 36 seconds (d) 4 minutes 12 seconds

A, B and C are start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they next meet at the starting point again?