SOLUTION: A B and C are running in a race A can complete a lap in 120 seconds B can complete a lap in 80seconds and C can complete a lap in 40 seconds if they started the race at 2 pm find t
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Question 1146876: A B and C are running in a race A can complete a lap in 120 seconds B can complete a lap in 80seconds and C can complete a lap in 40 seconds if they started the race at 2 pm find the time when they all will meet at the startling point at the same time. Answer by ikleyn(52803) (Show Source):
The Least Common Multiple (LCM) of the numbers 120, 80 and 40 is 240.
So, in 240 seconds they will be at the starting point again.
It will happen at 2:04 pm. ANSWER
Here "04" means 4 minutes = 240 seconds.
