Multiple Choice Questions on If downstream speed of a boat is 16 kmph and its upstream speed is 11 kmph what is the speed of stre........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If downstream speed of a boat is 16 kmph and its upstream speed is 11 kmph what is the speed of stre...........

Quant (SSC) Boats and Streams
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    If downstream speed of a boat is 16 kmph and its upstream speed is 11 kmph, what is the speed of stream?

    1.5 kmph

    Incorrect Answer

    2 kmph

    Incorrect Answer

    3 kmph

    Incorrect Answer

    2.5 kmph

    Correct Answer
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    Explanation:

    Speed of current = 1/2 (Rate of downstream – Rate of upstream)
    By the short trick approach, we get
    = 1/2(16 - 11)
    = 5/2 = 2.5 kmph

    By: Amit Kumar
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