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A, B and C 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 meet next at the starting point again?
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- 46 minutes 12 seconds
- 45 minutes
- 42 minutes 36 seconds
- 26 minutes 18 seconds
Correct Option: A
L.C.M. of 252, 308 and 198 = 2772 seconds
= 46 × 60 + 12 = 46 min 12 seconds.
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