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Discussion :: Races and Games

  1. A runs 1 Races and Games times as fast as B. If A gives B a start of 80 m, how far must the winning post be so that A and B might reach it the same time?

    2. A.
    200 m.
    B.
    300 m.
    C.
    270 m.
    D.
    160 m.

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    Answer : Option A

    Explanation :

    The Ratio of the speed of A and B
    = 5: 3
    Thus, in a race of 5 m, A gains 2 m over B
    2 m are gained by A in a race of 5 m
    80 m will be gained by A in a race of =

    ∴ the winning post is 200 m away from the starting point.

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