Question

The cost price of 10 apples is the same as the selling price of 9 apples. Find the Gain percent.

Answer 1

c.p of 10apples=s.p of 9apples so gain =1

Answer 2

let the cost price of 1 apple be = x
a

nd the selling price of 1 apple be = y

so he will gain ℅ 10/9×100 =11℅