Math, asked by AjeetPratap, 6 months ago

A man can row 20 kmph in still water. It takes him
thrice as long to row up as to row down the river.
Find the speed of the stream.
(a) 8 kmph
(c) 12 kmph
(b) 10 kmph
(d) 15 kmph

Answers

Answered by bhavanij0705

your answer is c.10kmph

Answered by Anonymous

Answer:

Rate upstream=9 km/hr rate downstream=27 km/hr. Hence rate of stream=1/227-9km/hr=9 km/hr. A man can row 6 km/hr in still water. It takes him twice as long to row up as to row don the river.

Step-by-step explanation:

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A man can row 20 kmph in still water. It takes himthrice as long to row up as to row down the river.Find the speed of the stream.(a) 8 kmph(c) 12 kmph(b) 10 kmph(d) 15 kmph​

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