Subject

    Quantitative Aptitude

    Topic

    Speed & Distance

    In a 500m race, the ratio of the speeds of two constants A and B is 3: A has a start of 140 m. Then, A wins by:

    ক)
    60m
    খ)
    40m
    গ)
    20m
    ঘ)
    10m

    Explanation

    To reach the winning post A will have to cover a distance of (500 - 140)m, i.e., 360 m. While A covers 3 m, B covers 4 m. While A covers 360 m, B covers = (4*360/3) m = 480m Thus, when A reaches the winning post, B covers 480 m and therefore remains 20 m behind.

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