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A boat moves downstream at the rate o...

A boat moves downstream at the rate of 8 km per hour and up - stream at 4 km per hour .the speed of the boat in still waters is :

A

4.5 km per hour

B

5 km per hour

C

6 km per hour

D

6.4 km per hour

Text Solution

Verified by Experts

The correct Answer is:
C
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