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.
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- 1.What is the simple interest on ₹600 at 5% per year for 4 years (in ₹)?
- 2.The price of a cricket ball changed from ₹25 to ₹35. What is the percentage increase?
- 3.A shopkeeper buys a fan for ₹1650 and sells it for ₹1690. What is the profit (in ₹)?
- 4.What is the amount (principal + simple interest) on ₹1500 at 4% per year for 4 years (in ₹)?
- 5.What is 25% of 540?
- 6.What is the simple interest on ₹600 at 11% per year for 5 years (in ₹)?
- 7.What is 20% of 380?
- 8.The price of a pair of shoes changed from ₹500 to ₹750. What is the percentage increase?
- 9.What is 25% of 680?
- 10.What is the simple interest on ₹9700 at 7% per year for 3 years (in ₹)?
- 11.A cooler costs ₹700. It is sold at a 12% profit. What is the selling price (in ₹)?
- 12.A shopkeeper buys a mobile phone for ₹1050 and sells it for ₹1090. What is the profit (in ₹)?
- 13.The price of a water bottle changed from ₹500 to ₹950. What is the percentage increase?
- 14.A shopkeeper buys a cycle for ₹1050 and sells it for ₹1320. What is the profit (in ₹)?
- 15.What is the amount (principal + simple interest) on ₹6600 at 10% per year for 5 years (in ₹)?
- 16.A fan costs ₹2000. It is sold at a 5% profit. What is the selling price (in ₹)?
- 17.What is the amount (principal + simple interest) on ₹7300 at 2% per year for 3 years (in ₹)?
- 18.The price of a pair of shoes changed from ₹80 to ₹16. What is the percentage decrease?
- 19.A mobile phone bought for ₹1600 is sold for ₹1520. What is the loss per cent?
- 20.The price of a pair of shoes changed from ₹250 to ₹300. What is the percentage increase?
- 21.A cycle bought for ₹2800 is sold for ₹1680. What is the loss per cent?
- 22.A shopkeeper buys a fan for ₹1900 and sells it for ₹2170. What is the profit (in ₹)?
- 23.What is 85% of 160?
- 24.What is 5% of 980?
- 25.What is the simple interest on ₹8500 at 3% per year for 2 years (in ₹)?
- 26.A table costs ₹2800. It is sold at a 20% profit. What is the selling price (in ₹)?
- 27.The price of a box of mangoes changed from ₹20 to ₹35. What is the percentage increase?
- 28.What is 75% of 420?
- 29.A cricket kit costs ₹2200. It is sold at a 5% profit. What is the selling price (in ₹)?
- 30.A fan bought for ₹2400 is sold for ₹3120. What is the profit per cent?
- 31.What is the simple interest on ₹1900 at 3% per year for 3 years (in ₹)?
- 32.What is the amount (principal + simple interest) on ₹3000 at 4% per year for 5 years (in ₹)?
- 33.A watch costs ₹3700. It is sold at a 30% profit. What is the selling price (in ₹)?
- 34.A shopkeeper buys a cycle for ₹1900 and sells it for ₹1740. What is the loss (in ₹)?
- 35.What is 45% of 420?
- 36.A sewing machine bought for ₹1100 is sold for ₹1232. What is the profit per cent?
- 37.A cycle bought for ₹3100 is sold for ₹2945. What is the loss per cent?
- 38.What is the amount (principal + simple interest) on ₹1600 at 5% per year for 1 year (in ₹)?
- 39.A fan bought for ₹500 is sold for ₹440. What is the loss per cent?
- 40.What is the simple interest on ₹6700 at 4% per year for 1 year (in ₹)?
Answer key
- 120
- 40
- 40
- 1740
- 135
- 330
- 76
- 50
- 170
- 2037
- 784
- 40
- 90
- 270
- 9900
- 2100
- 7738
- 80
- 5
- 20
- 40
- 270
- 136
- 49
- 510
- 3360
- 75
- 315
- 2310
- 30
- 171
- 3600
- 4810
- 160
- 189
- 12
- 5
- 1680
- 12
- 268
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