Question

    Speed of boat is 10 km/hr. Speed of the stream is 30%

    less than speed of boat. Then find time taken by boat to go 34 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

    Solution

    Speed of stream = 10 × (70/100) = 7 km/hr Time taken to go 34 km = 34/(10 + 7) = 2 hrs

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