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A man rows to a place 40 km distant and come back in 9 hours. He finds that he can row 5 km with the stream in the same time as 4 km against the stream. The rate of the stream is:
  • a)
    1 km/hr
  • b)
    1.5 km/hr
  • c)
    2 km/hr
  • d)
    2.5 km/hr
  • e)
    None of these
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A man rows to a place 40 km distant and come back in 9 hours. He finds...
Speed downstream = 5/x
Speed upstream = 4/x
40/(5/x) + 40/(4/x) = 9
X = ½
So, Speed downstream = 10 km/hr, Speed upstream = 8 km/hr.
Rate of the stream = 1/2 * 2 = 1 kmph
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Community Answer
A man rows to a place 40 km distant and come back in 9 hours. He finds...
Speed downstream = 5/x
Speed upstream = 4/x
40/(5/x) + 40/(4/x) = 9
X = ½
So, Speed downstream = 10 km/hr, Speed upstream = 8 km/hr.
Rate of the stream = 1/2 * 2 = 1 kmph
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Question Description
A man rows to a place 40 km distant and come back in 9 hours. He finds that he can row 5 km with the stream in the same time as 4 km against the stream. The rate of the stream is:a)1 km/hrb)1.5 km/hrc)2 km/hrd)2.5 km/hre)None of theseCorrect answer is option 'A'. Can you explain this answer? for Quant 2026 is part of Quant preparation. The Question and answers have been prepared according to the Quant exam syllabus. Information about A man rows to a place 40 km distant and come back in 9 hours. He finds that he can row 5 km with the stream in the same time as 4 km against the stream. The rate of the stream is:a)1 km/hrb)1.5 km/hrc)2 km/hrd)2.5 km/hre)None of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Quant 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A man rows to a place 40 km distant and come back in 9 hours. He finds that he can row 5 km with the stream in the same time as 4 km against the stream. The rate of the stream is:a)1 km/hrb)1.5 km/hrc)2 km/hrd)2.5 km/hre)None of theseCorrect answer is option 'A'. Can you explain this answer?.
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