The selling price and cost price of an article differ by Rs. 240. If the profit percentage is 20, then selling price is:
Let the C.P. = Rs. x
Profit =20%
Then S.P. =120100×x=6x5
⇒6x5−x=240
⇒x5=240
⇒x=240×5
⇒x= Rs. 1200
Then S.P. =1200+240= Rs. 1440