A, B and C start running at the same time and at the same point in the same direction in a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds. After what time will they meet again at the starting point?
1
26 minutes 18 seconds
2
42 minutes 36 seconds.
3
45 minutes
4
46 minutes 12 seconds