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.A shopkeeper buys a cycle for ₹200 and sells it for ₹80. What is the loss (in ₹)?
- 2.What is the simple interest on ₹2100 at 11% per year for 4 years (in ₹)?
- 3.What is 45% of 240?
- 4.What is 30% of 740?
- 5.A shopkeeper buys a mobile phone for ₹250 and sells it for ₹210. What is the loss (in ₹)?
- 6.The price of a box of mangoes changed from ₹250 to ₹200. What is the percentage decrease?
- 7.What is 60% of 460?
- 8.A shopkeeper buys a cricket kit for ₹1250 and sells it for ₹1270. What is the profit (in ₹)?
- 9.What is the amount (principal + simple interest) on ₹7000 at 9% per year for 3 years (in ₹)?
- 10.The price of a water bottle changed from ₹25 to ₹10. What is the percentage decrease?
- 11.A fan bought for ₹3100 is sold for ₹3720. What is the profit per cent?
- 12.A shopkeeper buys a table for ₹2050 and sells it for ₹1860. What is the loss (in ₹)?
- 13.A cycle costs ₹500. It is sold at a 10% profit. What is the selling price (in ₹)?
- 14.The price of a school bag changed from ₹400 to ₹408. What is the percentage increase?
- 15.What is the amount (principal + simple interest) on ₹3000 at 6% per year for 3 years (in ₹)?
- 16.What is the amount (principal + simple interest) on ₹3500 at 3% per year for 1 year (in ₹)?
- 17.What is the amount (principal + simple interest) on ₹900 at 11% per year for 1 year (in ₹)?
- 18.What is the amount (principal + simple interest) on ₹7100 at 10% per year for 3 years (in ₹)?
- 19.What is the simple interest on ₹1900 at 8% per year for 1 year (in ₹)?
- 20.A cycle costs ₹2500. It is sold at a 12% profit. What is the selling price (in ₹)?
- 21.A sewing machine costs ₹1000. It is sold at a 40% profit. What is the selling price (in ₹)?
- 22.What is the simple interest on ₹8100 at 7% per year for 4 years (in ₹)?
- 23.The price of a bus pass changed from ₹50 to ₹49. What is the percentage decrease?
- 24.A table costs ₹300. It is sold at a 5% profit. What is the selling price (in ₹)?
- 25.What is the amount (principal + simple interest) on ₹8200 at 9% per year for 1 year (in ₹)?
- 26.What is 5% of 340?
- 27.A shopkeeper buys a cooler for ₹2800 and sells it for ₹2840. What is the profit (in ₹)?
- 28.A shopkeeper buys a cycle for ₹950 and sells it for ₹1210. What is the profit (in ₹)?
- 29.What is the amount (principal + simple interest) on ₹4200 at 11% per year for 3 years (in ₹)?
- 30.A shopkeeper buys a fan for ₹400 and sells it for ₹610. What is the profit (in ₹)?
- 31.A cooler costs ₹700. It is sold at a 15% profit. What is the selling price (in ₹)?
- 32.The price of a school bag changed from ₹400 to ₹392. What is the percentage decrease?
- 33.A shopkeeper buys a table for ₹750 and sells it for ₹930. What is the profit (in ₹)?
- 34.A cricket kit costs ₹1600. It is sold at a 5% profit. What is the selling price (in ₹)?
- 35.What is the simple interest on ₹3500 at 5% per year for 1 year (in ₹)?
- 36.A cooler costs ₹700. It is sold at a 5% loss. What is the selling price (in ₹)?
- 37.A shopkeeper buys a cycle for ₹650 and sells it for ₹630. What is the loss (in ₹)?
- 38.A shopkeeper buys a table for ₹2450 and sells it for ₹2430. What is the loss (in ₹)?
- 39.What is 30% of 360?
- 40.The price of a pair of shoes changed from ₹80 to ₹140. What is the percentage increase?
Answer key
- 120
- 924
- 108
- 222
- 40
- 20
- 276
- 20
- 8890
- 60
- 20
- 190
- 550
- 2
- 3540
- 3605
- 999
- 9230
- 152
- 2800
- 1400
- 2268
- 2
- 315
- 8938
- 17
- 40
- 260
- 5586
- 210
- 805
- 2
- 180
- 1680
- 175
- 665
- 20
- 20
- 108
- 75
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