Rohit buys an item at 25% discount on the marked price. He sells it for Rs. 660, making a profit of 10%. What is the marked price of the item?
Rate of discount =25%
Selling price (S.P) for Rohit = Rs. 660
Profit =10%
\therefore Cost price for Rohit =S.P×100100+gain%
=Rs.660×100100+10=Rs.660×100110=600
Or selling price of the item = Rs. 600
Discount =25%
\therefore Marked price =S.P×100100−discount%
=600×1100−25=600×10075=Rs.800