Question

a dealer sells a toy for Rs 24 and gains as much percent as the cost price of the toy find the cost price of the toy​

Answer 1

cp=x

x+x*x/100=24

100x+x²=2400

x²+100x-2400=0

x²+120x-20x-2400=0

x(x+120)-20(x-120)=0

(x+120)(x-20)=0

x=20

cp 20

Answer 2

yeh toh bilkul bhi nahi malum .....