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    Question

    The speed of current is 26 km/hr. If the speed of the

    boat in still water had been 12 km/hr more than the original speed then it would take 7.5 hours to cover 495 km in downstream. Find the original speed of the boat in still water (in km/h).
    A 20 Correct Answer Incorrect Answer
    B 25 Correct Answer Incorrect Answer
    C 28 Correct Answer Incorrect Answer
    D 29 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the speed of the boat in still water be ‘x’ km/hr According to the question, (x + 12 + 26) = 495/7.5 Or, x = 66 – 38 = 28

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