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If a man rows at the rate of 5 kmph in s...

If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph, then the man's rate along the current is : `4. 25\ k m p h` b. `6\ k m p h` c. `6. 5\ k m p h` d. `8. k m p h\ `

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RS AGGARWAL-BOATS AND STREAMS-All Questions
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  13. The speed of a boat in still water is 10 km /hr. If it can travel 2...

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  14. A boat takes 90 minutes less to travel 36 miles downstream than to ...

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  15. A man rows to a place 48 km distant and back in 14 hours. He finds ...

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  16. A boat covers 24 km upstream and 36 km downstream in 6 hours while ...

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