Question

If cost of 25 books is equal to the price of 20 books, calculate the gain or loss per cent?

Answer 1

Answer:

25%gain

Step-by-step explanation:

let the CP of 1 book be rupees 1

Cp of 25books=rupees 25 = CP of 20books=rupees25

=CP of 20books =rupees20

Profit =SP-CP

25-20=rupees5

profit%=Profit/CP*100

5/20*100=25%