A and B start to run from the same point, in the same direction, around a circular track. If
they take 64 seconds and 72 seconds respectively to complete one round along the track
when will they meet again, the lnext time, at the starting point?
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Answer:
→ B takes time to complete one round = 72 seconds.
→ 64 = 2 × 2 × 2 × 2 × 2 × 2 .
→ 72 = 2 × 2 × 2 × 3 × 3 .
LCM = 64 and 9 = 576 seconds.
∴ A and B will meet again after 9.6 minutes.
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