Question

if the cost price of 21 article is equal to to the selling price of 15 of them .find gain or loss percent?

Answer 1

Step-by-step explanation:

CP of each article be Rs 1

CP of 18 articles =Rs18 ,sp of 18 articles =Rs 21

Profit=21−18=3Rs.

Profit Percentage=

18

3

×100=16

3

2

%