Question

    A boat's speed in calm water exceeds the speed of the

    current by 12 km/hr. Given that the current's speed is 1.25x km/hr and the boat takes 5 hours to travel 160 km downstream, determine the value of ‘x’.
    A 8 Correct Answer Incorrect Answer
    B 6 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer
    E 12 Correct Answer Incorrect Answer

    Solution

    According to the question, 1.25x + 1.25x + 12 = 160/5 Or, 2.5x = 20 Or, x = 8

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