Question

the the selling price of 10 articles is egual to the cost price of 11 articles. find the gain percent​

Answer 1

Let CP of 1 article =Rs. 1

CP of 11 article =Rs. 11

CP of 10 article =Rs. 10

SP of 10 article =Rs. 11

Profit % = 10

11−10×100

=10%