Question
A man can row at 5 kmph in still water . If he velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back , how far is he place ?
Answer: Option A
Was this answer helpful ?
Speed downstream = (5 +1) kmph .
Speed upstream = (5 - 1) kmph = 4 kmph
Let the required distance be `x` km.
Then , `x/6 + x/4` = 1
`hArr 2x + 3x = 12 hArr 5x = 12 hArr x` = 2.4 m.
Was this answer helpful ?
More Questions on This Topic :
Latest Videos
Latest Test Papers
Submit Solution