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Arithmetic Ability
Chain Rule

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Q.

 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?

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Correct choice: A

Explanation:

Let the required number of bottles be x. More weavers, More mats (Direct Proportion) More days, More mats (Direct Proportion) weavers 4:8} :4:xdays 4:8}:4:x 4 x 4 x x = 8 x 8 x 4 => x = 8*8*44*4 => x = 16.
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