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A boat goes a distance of 4 km upstream ...

A boat goes a distance of 4 km upstream in 2 hours and the same distance downstream in 20 minutes. How long will it take to go `10 1/2` km in still water?

A

48 minutes

B

1 hour

C

`1 1/4` hours

D

`1 1/2 ` hours

Text Solution

Verified by Experts

The correct Answer is:
D
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