Question

On selling 450 cassettes a man had a gain equal to the S.P. of 45 cassettes. Find gain %.

Answer 1

Answer:

11.11%

Explanation:

let s.p of 1 cassette =x

s.p of 450 casset - 450x

A/Q

gain= 45x

. .

. gain= Sp-Cp

.

. . Cp= Sp-gain

Cp= 450x-45x

Cp=405x

Now

gain%= gain*100/Cp

gain%=45x * 100/405x

.

. . gain%= 11.11%