Racers
Number Theory
Level
1
John and Bob, the racers, complete a circular track in 8 and 12 minutes respectively. What is the minimum amount of time (in minutes) such that they meet each other again at the starting point given that they started running at the same time?
24
16
8
12
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1 solution
8= 2 3 and 12= 2 2 ∗ 3 1
LCM(8,12)=24