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    3. Quantitative Aptitude
    4. Boats and streams
    5. Speed of boat is 25 km/hr. Speed of the stream is 20% less than speed of boat. Then find time taken

    Question

    Speed of boat is 25 km/hr. Speed of the stream is 20%

    less than speed of boat. Then find time taken by boat to go 90 km downstream?
    A 3 hrs Correct Answer Incorrect Answer
    B 2 hrs Correct Answer Incorrect Answer
    C 5 hrs Correct Answer Incorrect Answer
    D 4 hrs Correct Answer Incorrect Answer
    E 6 hrs Correct Answer Incorrect Answer

    Solution

    Speed of stream = 25 × (80/100) = 20 km/hr Time taken to go 90 km = 90/(25 + 20) = 2 hrs

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    Relevant for Exams:

    • SBI PO
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