Question

If the cost price of 15 pen is equal to the selling price of 20 pen find the gain or loss percent

Answer 1

CP of 15 pen = Rs 20
SP of 20 pen= Rs 15

Here,CP is greater than SP. so, there is a loss.

Loss = CP-SP
= Rs 20 - Rs 15
= Rs 5
Loss%= (Loss / CP ×100)%
= ( 5/20×100)%
=25%