general math MCQ #826

A, B and C start at the same time in the same direction to run around a circular stadium.

general math MCQ #826

  1. Question 1

    Q1. 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 again at the starting point? LCM 26 min 18 sec
    • B) 42 min 36 sec
    • C) 45 min
    • D) 46 min 12 sec

    Answer: 46 min 12 sec

    Explanation: LCM(252, 308, 198) = 2772 seconds = 46 minutes 12 seconds, at which point all three runners meet at the starting point again.