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A boat goes 12 km downstream and come...

A boat goes 12 km downstream and comes back to the starting point in 3 hours .If the speed of the current is 3 km /hr , then the speed (inkm/hr) of the boat in still water is

A

12

B

9

C

8

D

6

Text Solution

Verified by Experts

The correct Answer is:
B
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