Question

12 cow s can graze a field for 10 days. in how many days will 20 cows graze the same field

Answer 1

12 cow can graze field in days =10
1 cow will require more days to graze =10×12
and 20 cows will graze in =120/20

=6 days

Answer 2

12 cows-20 days. 1 cow = 20 ÷12 =20/12 20cows= 20÷12×20=13.3