Question

    A train was moving at 60 km/hr for ‘x’ hours. It then

    increased its speed by 10 km/hr and travelled for (x + 4) hours. If it covered 910 km in the second stretch, find how much distance it covered initially.
    A 252 km Correct Answer Incorrect Answer
    B 540 km Correct Answer Incorrect Answer
    C 370 km Correct Answer Incorrect Answer
    D 450 km Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    70 × (x + 4) = 910

    Or, x + 4 = 13

    Or, x = 9

    Therefore, required distance = 60 × 9 = 540 km

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