Runners on a circular track meet again at the start: LCM of their lap times
The same question, asked 2 times: CDS 1 2019*, CDS 2 2021. Every wording below, oldest first.
Try each one first, then open its answer.
Question 1
CDS 1 2019
17, and start at same point and same time in the same direction to run around a circular stadium. completes a round in 252 seconds, in 308 seconds and in 198 seconds. After what time will they meet again at the starting point ?Tap an option to check your answer.
Question 2
CDS 2 2021
15Three runners are running in a circular track, and they complete one round in 20, 30 and 35 minutes respectively. When will they next meet at the starting point ?Tap an option to check your answer.