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Retired Moderator
Joined: 16 Apr 2020
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A boatman rows to place 60kms and back in 20 hrs he finds he can row
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29 May 2021, 04:34
29 May 2021, 04:34
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Question Stats:
75% (02:43) correct
25% (02:29) wrong based on 4 sessions
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A boatman rows to place 60km and back in 20 hrs. He finds that he can row 16 km with stream in same time as 4 km against the stream. Find the speed of the stream (in Kmph)?
Show: ::
\(\frac{45}{8}\) or 5.625
A boatman rows to place 60kms and back in 20 hrs he finds he can row
[#permalink]
29 May 2021, 07:51
29 May 2021, 07:51
Speed =Distance/Time
Speed downstream =16/t
Speed upstream=4/t
The man rows to place at a distance of 60 km and comes back in 20 Hours
Speed =Distance/Time
\frac{16}{9}
Speed downstream =16/t
Speed upstream=4/t
The man rows to place at a distance of 60 km and comes back in 20 Hours
Speed =Distance/Time
\frac{16}{9}
Retired Moderator
Joined: 16 Apr 2020
Status:Founder & Quant Trainer
Affiliations: Prepster Education
Posts: 1546
Given Kudos: 172
Location: India
WE:Education (Education)
A boatman rows to place 60kms and back in 20 hrs he finds he can row
[#permalink]
30 May 2021, 00:00
30 May 2021, 00:00
mrk9414 wrote:
Speed =Distance/Time
Speed downstream =16/t
Speed upstream=4/t
The man rows to place at a distance of 60 km and comes back in 20 Hours
Speed =Distance/Time
\frac{16}{9}
Speed downstream =16/t
Speed upstream=4/t
The man rows to place at a distance of 60 km and comes back in 20 Hours
Speed =Distance/Time
\frac{16}{9}
Can you please explain?
The total distance covered is 120km!
