Question

on selling 100 pens a man gains the selling price of 20 pens.the gain percent is? ​

Answer 1

Answer:

your answer is given in the image

hope this is only the answer you were looking for..

Answer 2

Step-by-step explanation:

S.P. of 100 pencils − C.P. of 100 pencils = S.P. of 20 pencils

⇒ S.P. of 80 pencils = C.P. of 100 pencils

Let C.P. of 1 pencil = Rs. 1

Then S.P. of 80 pencils = Rs. 100

⇒ C.P. of 80 pencils = Rs. 80

profit %=25%