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A boat takes 45 minutes to go 3 km upstr...

A boat takes 45 minutes to go 3 km upstream and `4 1/2` km downstream while it covers a distance of 3.6 km upstream and 2.4 km downstream in 39 minutes. The speed ( km/h ) of this boat in downstream is :

A

12

B

9

C

16

D

10

Text Solution

Verified by Experts

The correct Answer is:
A
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