1 . 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 gain meet at the starting point altogether?

• A. 26 minutes and 18 seconds
• B. 42 minutes and 36 seconds
• C. 45 minutes and 38 seconds
• D. 46 minutes and 12 seconds
• D. None of these

Answer: Option D

Explanation: