A book seller offers a discount of 10% and gains 5% on a book. If the marked price is ₹ 50 more than the cost price, then find the selling price.

A dealer allows a discount of 10% and still gains by 10%. What should be the marked price if the cost price is ₹900?

A man allows a discount of 10% on a book whose marked price is Rs.40. What is the cost price so that the profit is 20% ?

A publisher allowed successive discounts of 20%, 5% and 2 1/2 % on books to a purchaser. If the marked price of books purchased was 75,000, then find the net selling price.

A shopkeeper offers a discount of 10% on his articles. The marked price of the article is 450. The selling price should be

A profit of 10% is made after giving a discount of 5% in a T.V. If the marked price of the TV is 2640-00, the cost price of the TV was—