Class 7 Maths Worksheet: Profit and Loss, Simple Interest
The method (Out of 100): p% of a number = number × p ÷ 100. Profit = SP − CP; loss = CP − SP. Profit % (or loss %) = profit (or loss) ÷ CP × 100. Selling price at p% profit = CP + p% of CP; at p% loss = CP − p% of CP. Simple interest = P × R × T ÷ 100; amount = P + SI. % increase or decrease = change ÷ old value × 100.
NameDateTime takenScore ___ / 40
- 1.A fan bought for ₹2800 is sold for ₹3080. What is the profit per cent?
- 2.A mobile phone bought for ₹2300 is sold for ₹2576. What is the profit per cent?
- 3.What is 5% of 140?
- 4.A shopkeeper buys a fan for ₹2750 and sells it for ₹2520. What is the loss (in ₹)?
- 5.A sewing machine costs ₹4000. It is sold at a 10% loss. What is the selling price (in ₹)?
- 6.A cycle costs ₹300. It is sold at a 40% loss. What is the selling price (in ₹)?
- 7.What is the simple interest on ₹7200 at 12% per year for 4 years (in ₹)?
- 8.A shopkeeper buys a table for ₹2600 and sells it for ₹2790. What is the profit (in ₹)?
- 9.What is the simple interest on ₹6200 at 11% per year for 1 year (in ₹)?
- 10.The price of a water bottle changed from ₹40 to ₹42. What is the percentage increase?
- 11.A table bought for ₹2900 is sold for ₹3480. What is the profit per cent?
- 12.A fan costs ₹900. It is sold at a 50% profit. What is the selling price (in ₹)?
- 13.A shopkeeper buys a mobile phone for ₹2950 and sells it for ₹3240. What is the profit (in ₹)?
- 14.What is the amount (principal + simple interest) on ₹1100 at 8% per year for 3 years (in ₹)?
- 15.What is the simple interest on ₹1300 at 12% per year for 4 years (in ₹)?
- 16.A cricket kit costs ₹900. It is sold at a 20% profit. What is the selling price (in ₹)?
- 17.A shopkeeper buys a sewing machine for ₹2650 and sells it for ₹2410. What is the loss (in ₹)?
- 18.What is 15% of 380?
- 19.A mobile phone costs ₹2600. It is sold at a 50% loss. What is the selling price (in ₹)?
- 20.What is 90% of 940?
- 21.A mobile phone costs ₹2600. It is sold at a 20% loss. What is the selling price (in ₹)?
- 22.A cricket kit costs ₹1000. It is sold at a 5% loss. What is the selling price (in ₹)?
- 23.A shopkeeper buys a watch for ₹3000 and sells it for ₹3140. What is the profit (in ₹)?
- 24.The price of a school bag changed from ₹80 to ₹112. What is the percentage increase?
- 25.What is 15% of 220?
- 26.A shopkeeper buys a mobile phone for ₹2400 and sells it for ₹2180. What is the loss (in ₹)?
- 27.What is 55% of 920?
- 28.A watch costs ₹1900. It is sold at a 30% loss. What is the selling price (in ₹)?
- 29.What is 40% of 600?
- 30.A shopkeeper buys a mobile phone for ₹2100 and sells it for ₹2370. What is the profit (in ₹)?
- 31.A mobile phone bought for ₹900 is sold for ₹1008. What is the profit per cent?
- 32.What is the simple interest on ₹2700 at 10% per year for 5 years (in ₹)?
- 33.What is the simple interest on ₹5500 at 11% per year for 2 years (in ₹)?
- 34.A shopkeeper buys a fan for ₹1700 and sells it for ₹1740. What is the profit (in ₹)?
- 35.What is the simple interest on ₹1200 at 5% per year for 4 years (in ₹)?
- 36.What is the simple interest on ₹7400 at 6% per year for 1 year (in ₹)?
- 37.A shopkeeper buys a watch for ₹750 and sells it for ₹930. What is the profit (in ₹)?
- 38.The price of a box of mangoes changed from ₹40 to ₹60. What is the percentage increase?
- 39.What is 40% of 360?
- 40.A cricket kit costs ₹2400. It is sold at a 10% loss. What is the selling price (in ₹)?
Answer key
- 10
- 12
- 7
- 230
- 3600
- 180
- 3456
- 190
- 682
- 5
- 20
- 1350
- 290
- 1364
- 624
- 1080
- 240
- 57
- 1300
- 846
- 2080
- 950
- 140
- 40
- 33
- 220
- 506
- 1330
- 240
- 270
- 12
- 1350
- 1210
- 40
- 240
- 444
- 180
- 50
- 144
- 2160
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