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    Question

    If the sum of upstream and downstream speed is 32 km/hr

    and the speed of the current is 6 km/hr. Then find time taken to cover 44 km in downward?
    A 1 hrs. Correct Answer Incorrect Answer
    B 1.5 hrs. Correct Answer Incorrect Answer
    C 2 hrs. Correct Answer Incorrect Answer
    D 2.5 hrs. Correct Answer Incorrect Answer
    E 3 hrs. Correct Answer Incorrect Answer

    Solution

    Let the speed of boat in still water be x km/hr. According to the question, => x + 6 + x − 6 = 32 => x = 16 Downstream speed = 6 + 16 = 22 km/hr Required time = 44/26 = 2 hrs

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