A motor boat, whose speed is `15` km/h in still water goes `30` km downstream and comes back in a total of `4` h and `

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Q 1649178913.     A motor boat, whose speed is `15` km/h in still water
goes `30` km downstream and comes back in a total
of `4` h and `30` min. The speed of the stream is
CDS 2015 Paper-2
A

4 km/h

B

5 km/h

C

6 km/h

D

10 km/h

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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