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A man can row at a speed of 15/2 km/hr in still water. If he takes 4 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) is
- a)4
- b)3.75
- c)5
- d)4.5
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A man can row at a speed of 15/2 km/hr in still water. If he takes 4 t...
Let the speed of stream be x kmph
∴ Rate upstream = 15/2 - x
And rate downstream = 15/2 + x
Let's also assume the time taken in downstream and upstream is 1 hr and 4 hrs respectively. We know that, Distance = Speed × Time
⇒ (15 + 2x) = (60 – 8x) ⇒ 10x = 45
Hence, the option D is correct.
∴ Rate upstream = 15/2 - x
And rate downstream = 15/2 + x
Let's also assume the time taken in downstream and upstream is 1 hr and 4 hrs respectively. We know that, Distance = Speed × Time
⇒ (15 + 2x) = (60 – 8x) ⇒ 10x = 45
Hence, the option D is correct.
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A man can row at a speed of 15/2 km/hr in still water. If he takes 4 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) isa)4b)3.75c)5d)4.5e)None of theseCorrect answer is option 'D'. Can you explain this answer? for Banking Exams 2026 is part of Banking Exams preparation. The Question and answers have been prepared according to the Banking Exams exam syllabus. Information about A man can row at a speed of 15/2 km/hr in still water. If he takes 4 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) isa)4b)3.75c)5d)4.5e)None of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Banking Exams 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A man can row at a speed of 15/2 km/hr in still water. If he takes 4 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) isa)4b)3.75c)5d)4.5e)None of theseCorrect answer is option 'D'. Can you explain this answer?.
A man can row at a speed of 15/2 km/hr in still water. If he takes 4 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) isa)4b)3.75c)5d)4.5e)None of theseCorrect answer is option 'D'. Can you explain this answer? for Banking Exams 2026 is part of Banking Exams preparation. The Question and answers have been prepared according to the Banking Exams exam syllabus. Information about A man can row at a speed of 15/2 km/hr in still water. If he takes 4 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) isa)4b)3.75c)5d)4.5e)None of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Banking Exams 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A man can row at a speed of 15/2 km/hr in still water. If he takes 4 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) isa)4b)3.75c)5d)4.5e)None of theseCorrect answer is option 'D'. Can you explain this answer?.
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