Multiple Choice Questions on Running at 5 6 of its usual speed a train is 10 minutes too late Find its usual time to co........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Running at 5 6 of its usual speed a train is 10 minutes too late Find its usual time to co...........

Quant (SSC) Time & distance
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    Running  at 5/6  of its usual speed, a train is 10 minutes too late. Find its usual time to cover the journey.

    10 min

    Incorrect Answer

    20 min

    Incorrect Answer

    40 min

    Incorrect Answer

    50 min.

    Correct Answer
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    Explanation:

    New speed,
    = 5/6 of the usual speed
    So, new time taken
    = 6/5 of the usual time
    So, (6/5 of usual of time) – (usual time) = 10 min.
    ⇒ 1/5 of the usual time = 10 min
    ⇒ usual time = 50 min.

    By: Amit Kumar
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