1Find the selling price of each item: a book (MP Rs.480, discount Rs.48), shoes (Rs.1250, Rs.250), a calculator (Rs.750, Rs.50), a shirt (Rs.1500, Rs.300), a mobile (Rs.24500, Rs.480).
2Find the selling price: a watch (Rs.2200, 15%), a bag (Rs.1750, 12%), a cupboard (Rs.30000, 25%), a computer (Rs.40000, 10%), a television (Rs.54500, 20%).
3Find the marked price: a chair (SP Rs.2150, 14%), a sari (Rs.1360, 20%), a coat (Rs.4100, 18%), a computer (Rs.28800, 10%), a laptop (Rs.80750, 5%).
4Find the discount percent: an iron (MP Rs.1800, SP Rs.1530), a telephone set (Rs.2500, Rs.2200), a motorcycle (Rs.245000, Rs.208250), a watch (Rs.3000, Rs.2700), a printer (Rs.30000, Rs.26100).
5(a) A book has a marked price of Rs.250 and is sold at 12% off. How much must be paid? (b) A jacket is marked Rs.2250 and the shop sells it at 8% off. How much must be paid for that jacket?
6(a) A colour television bought at 10% off cost Rs.13950. What was its marked price? (b) A sweater bought at 14% off cost Rs.1075. What was its marked price?
7A shopkeeper buys a torch for Rs.1400 and marks it 40% above the cost price. If he sells it at 20% off, find (a) the marked price, (b) the discount, (c) the selling price and (d) the profit.
8A mobile phone costs Rs.21000 and its marked price is 30% above the cost price. If it is sold at 20% off, find (a) the marked price, (b) the discount, (c) the selling price and (d) the profit percent.
9Ramhari buys a computer for Rs.45000 and marks it 30% above the cost price. If he sells it at 30% off, find (a) the marked price, (b) the discount, (c) the selling price and (d) the profit or loss percent.
10Rahman marks a suitcase at Rs.6000. Selling it at 15% off brings him a profit of Rs.500. Find (a) the discount given, (b) the selling price, (c) the cost price and (d) the profit percent.
11List five items used daily at home, find their marked price, selling price and discount at a nearby shop, work out the profit or loss along with its percent, and present it to the class.
12Explain why a discount percent is taken on the marked price while a profit percent is taken on the cost price.
13A shopkeeper marks an item 20% above its cost price and then sells it at 20% off. Does he gain or lose? Show it by taking the cost price as Rs.100.
14A pair of shoes is marked Rs.3200. After a discount the customer pays Rs.2720. The shop had bought the shoes for Rs.2500. Find both the discount percent and the profit percent.