Multiple Choice Questions on in a kilometre race A beats B by 40 meters or by 5 seconds What is the time taken by A over the cour........... for CLAT : Law entrance Exam Preparation

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Multiple Choice Questions

in a kilometre race A beats B by 40 meters or by 5 seconds What is the time taken by A over the cour...........

Quantitative Aptitiude (CLAT) Time & distance
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    in a kilometre race, A beats B by 40 meters or by 5 seconds. What is the time taken by A over the course?

    1 minute 57 seconds

    Incorrect Answer

    2 minutes

    Correct Answer

    1.5 minutes

    Incorrect Answer

    None of these

    Incorrect Answer
    Explanation:

    A runs 1km = 1000 m, it means B runs 1000 - 40 = 960 meters
    Time is taken by B for 40 meters = 5 seconds
    Time is taken by B for 960 meters =  × 960=120 seconds

    The time in which B covered 960 meters, A has covered 1000 meters.
    ∴ A's time over the course = 120 seconds
                                               = 2 minutes

    By: Parvesh Mehta
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