husk Search

In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?

A) 1	B) 1/40
C) 40	D) 80

Answer & Explanation Answer: C) 40

Explanation:

Let the required number of days be x.

Less cows, More days (Indirect Proportion)

Less bags, Less days (Direct Proportion)

$c o w s 1 : 40 : 40 : x b a g s 40 : 1 : 40 : x$

1 x 40 x x = 40 x 1 x 40

=> x = 40.

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Filed Under: Chain Rule

A) 2.75	B) 3.75
C) 4.75	D) 5.75