Question

On selling a pen for₹ 100 ,a shopkeeper gains ₹15 .The cost price of the pen is

Answer 1

Answer:

85 Rs will be the cost price of the pen

Answer 2

Step-by-step explanation:

let the the selling price of1pen rs1

so selling price of 100pens is rs100

he gained selling price of 20 pens

means he gained rs20

cost price =selling price -profit

=100-20

=80

cost price =Rs80

profit percent =profit/cost price *100

=20/80*100

=25

so he gained 25%