In a dairy farm, 30 cows eat 30 bags of husk in 30 days. In how many days one cow will eat one bag of husk? Pick
A) 1
B) 40
C) 20
D) 26
E) 30
30xplanation :   One bag of husk = 30 cows per day   ⇒ 30 × 1 × 30 = 1 × 30 × x   For one cow = 30 days   Answer : 30
<result>E</result>
In a dairy farm, 30 cows eat 30 bags of husk in 30 days. In how many days one cow will eat one bag of husk?