Ramu purchased a TV set with an additional 15% discount on the reduced price after deducting a 25% discount on the labeled price. If the labeled price was Rs. 12,000, at what price did he purchase the TV set?

A merchant raised the price of his products by 32%. What percentage discount (rounded off to one decimal place) should he give so as to sell the products on a no profit, no loss basis?

A shopkeeper offers the following two schemes: I. Two successive discounts of 30% and 45%. II. Buy 4, get 5 free. The single percentage discount (rounded off to two decimal places) from each scheme, respectively, is: