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Discussion :: Chain Rule

  1. 36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?

    2. A.

    12
    B.

    18
    C.

    22
    D.

    24
    E.

    None of these

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    Answer : Option D

    Explanation :

    Let the required number of days be x.

    Less men, More days (Indirect Proportion)

     27 : 36 :: 18 : x        27 x x = 36 x 18

     

     x =\( \frac { 36*18 } { 27 } \)

     x = 24.

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