Question

if 16 cows graze a field in 25 days then how long 20 cows graze same field​

Answer 1

20 cows can graze the field in 20 days

Answer 2

Days Cows

25 16

? Let x ; 20

So there is indirect variation, Now.

x/25 = 16/20

or, 20x = 400

or, x = 400/20

Therefore, x = 20 Ans...