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 ?  Choose the correct choice from the following answers
A) 34 days
B) 40 days
C) 46 days
D) 50 days
E) None of these
Explanation:   Less Cows, More days (Indirect Proportion)   Less bags, Less days (Direct Proportion)   [Cows1 40   40 daysags 40 1]::40:x   =&gt;x∗40∗1=40∗1∗40   =&gt;x=40   Option 40 days
<result>B</result>
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 ?