In a dairy firm, 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

Correct Answer: 40

  Let the required number of days be x.Less cows, More days (Indirect Proportion)Less bags, Less days (Direct Proportion)CowBags​1:4040:1​}::40:x∴1×40×x = 40×1×40⇒x = 40
Bissoy MCQ
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