& A and B start walking at the same time on a circular path with circumferen
35 metre. If they walk in the same direction at 4 km/hr and 5 km
respectively, after what time will they meet together?
A 35 hours
B. 27 hours C. 24 hours D. 40 hours
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Step-by-step explanation:
When two are three persons are running around a circular track, it is difficult to imagine the condition when they meet each other. But by thinking in a systematic order, we can solve these questions easily.
CASE 1: Same direction
When two persons A, and B are running around a circular track of length L mts with speeds of a, b m/s in the same direction
They meet each other at any point on the track is
seconds
They meet each other at exactly at the starting point =
seconds
CASE 2: opposite direction
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