Question

    A boat moves with a downstream speed that is 8 km/hr more

    than its upstream speed. If the boat’s speed in still water exceeds the current’s speed by 12 km/hr, calculate the downstream speed of the boat.
    A 31 km/hr Correct Answer Incorrect Answer
    B 32 km/hr Correct Answer Incorrect Answer
    C 24 km/hr Correct Answer Incorrect Answer
    D 20 km/hr Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Speed of the current = 8 / 2 = 4 km/hr

    Speed of the boat in still water = 4 + 12 = 16 km/hr

    Downstream speed of the boat = 16 + 4 = 20 km/hr

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