Question

The selling price of 10 pizzas is equal to the cost price of 11 pizzas. What is the profit per cent?​

Answer 1

Answer:

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%