1.

A, B and C are running on a circular track of 120m at a speed of 5m/s, 8m/s, and 10m/s respectively. A, B and C all three are moving in the same direction. When will all the three meet again at the starting point?

A. After 55 seconds
B. After 2 minutes
C. After 5 minutes
D. After 40 seconds
Answer» C. After 5 minutes


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