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 again at the starting point ?

• A. 26 minutes and 18 seconds
• B. 42 minutes and 36 seconds
• C. 45 minutes
• D. 46 minutes and 12 seconds