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- A man can row at 5 kmph in still water.
Question 1:
A man can row at 5 kmph in still water. If the velocity of the current is 1 kmph and it takes him 1 hour to row to a place and come back. how far is that place. A. 4 km
B. 1.4 km
C. 2.4 km
Feedback Let the distance is x km
Rate downstream = 5 + 1 = 6 kmph
Rate upstream = 5 - 1 = 4 kmph
x/6 + x/4 = 1
2x + 3x = 12
x = 12/5 = 2.4 km
Rate downstream = 5 + 1 = 6 kmph
Rate upstream = 5 - 1 = 4 kmph
x/6 + x/4 = 1
2x + 3x = 12
x = 12/5 = 2.4 km
D. 3.4 km
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