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  1. A man riding a bicycle, completes one lap of a square field along its perimeter at the speed of 39.6 km/hr in 1 minute 20 seconds. What is the area of the field?
  2. A.

    52900 sq.mts

    B.

    44100 sq.mts

    C.

    48400 sq.mts

    D.

    Cannot be determined

    E.

    None of these

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    Answer : Option C

    Explanation :

    Perimeter of square = Distance covered by man in 80 seconds = (39.6 * 5/18  * 18) metre

    = 880 metre

    Side of square = 880/4 = 220

    Area of square = 220 * 220 = 48400 sq.metre


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