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B starts 4.5 minutes after A from the sa...

B starts 4.5 minutes after A from the same point, for a place at a distance of 3.5 miles from the starting point. A on reaching the destination turns back and walk a mile where he meets B. If A's speed is a mile in 6 minutes then B's speed is a mile in_____minutes ?

A

8

B

10

C

12

D

9

Text Solution

Verified by Experts

The correct Answer is:
D
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