Question

On selling 100 pens a man gains the selling price of 20 pens.The gain per cent is?​

Answer 1

Answer:

gain %= 100/20=5%

Hope IT helps you

follow me

THANKS!

Answer 2

Answer:

25%

Step-by-step explanation:

let selling price,SP of 1 pen = Rs 1

SP of 100 pens = Rs 100

he gained selling price of 20 pens

means he gained Rs 20

cost price = selling price-profit

Cost price=Rs 80

profit percent=profit/cost price×100

                        =20/80×100

                         =25

Gain %= 25%

Hope it helps:)

please mark as brainliest