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Keshav can row 60 km downstream and 36 k...

Keshav can row 60 km downstream and 36 km upstream ,taking 10 h each time .What is the velocity of the current?

A

3 km/h

B

2.2 km/h

C

4 km/h

D

1.2 km/h

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The correct Answer is:
D
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