Question

    A man’s speed with the current is 18 km/hr and the

    speed of the current is 7 km/hr . The man’s speed against the current is:
    A 3 kmph Correct Answer Incorrect Answer
    B 4 kmph Correct Answer Incorrect Answer
    C 5 kmph Correct Answer Incorrect Answer
    D 9 kmph Correct Answer Incorrect Answer

    Solution

    Let man’s speed upstream be x kmph. Speed of the current = (18 – x) * ½ kmph 7 = (18 – x) * ½ kmph 14 = (18 – x) kmph X = 18 – 14 = 4 kmph

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