Question

The cost price of 15 books is equal to the selling price of 10 books.
Find the profit or loss percentage.

Answer 1

Answer:

25%

Step-by-step explanation:

Cost price per book = a / 15

Selling price per book = a / 10

Loss = Cost price - Selling price

Loss = (a / 15) - (a / 20)

Loss = a / 60

Answer 2

Answer:

25% loss

Step by step explanation

The cost price of 1 book =₹1

The CP of 15 books = sp of 10 books = ₹15

₹15 is obtained by selling 20 books

The SP of per book = 15/20=3/4

CP - SP=LOSS

=1- 3/4= 1/4

% = 1/4 * 100 =25%LOSS