Question

The cost price of 24pen is same as the selling price of 20 pens. The gai percent is what

Answer 1

Step-by-step explanation:

let CP for 1pen be x

CP for 24 pen=24x

SP OF 20PEN=24x

SP of 1 pen= 6x/5

gain % =(gain/cp)×100

gain%=(6x/5-x/x)×100=20%