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Discussion :: Chain Rule

  1. 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
    2. A.

    4
    B.

    8
    C.

    12
    D.

    16

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    Answer : Option D

    Explanation :

    Let the required number of bottles be x.

    More weavers, More mats (Direct Proportion)

    More days, More mats (Direct Proportion)

     

    Wavers 4 : 8 :: 4 : x
    Days 4 : 8

     4 x 4 x x = 8 x 8 x 4

     

     x =\( \frac { (8*8*4) } {(4*4) }\)

     x = 16.

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