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Two towns A and B are connected by a reg...

Two towns A and B are connected by a regular bus service with a bus leaving in either direction every T minutes.A man cycling with a speed of 20 km `h^(-1)` in the direction A to B notices that a bus goes past him every 18 min in the direction of his motion,and every 6 min in the opposite direction.The period T of the bus service and speed of buses on the road are

A

9 min,40 Kmph

B

12 min,10 Kmph

C

12 min,40 Kmph

D

9 min ,60 Kmph

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The correct Answer is:
A
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