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 ?
Choose the correct choice from the following answers.
A) 48 minutes 12 seconds B) 46 minutes 12 seconds C) 26 minutes 12 seconds D) 26 minutes 15 seconds E) 16 minutes 15 seconds
LCM of 252, 308 and 198 = 2772   Hence they all will be again at the starting point after 2772 seconds   or 46 minutes 12 seconds   Answer is 46 minutes 12 seconds
<result>B</result>
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 ?