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
Correct Answer: 40
"40টি গরু 40 ব্যাগ ভুসি খায় 40 দিনে ∴ 1 ,, ,, 40 ,, ,, ,, 40 × 40 ∴ 1 ,, ,, 1 ,, ,, 40 × 4040 = 40 ,,"