Question

the selling price of 11 article is eqal to cost price of 13 article find the gain percent

Answer 1

SP of 11 = CP of 13

let SP of 1 = re 1

so , SP of 11 = 11 = CP of 13

CP of 13 = 11

SP of 13 = 13

profit = 13 - 11 = 2

Profit % = 2/11 * 100

= 200/11 = 18 2/11%