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.The price of a bus pass changed from ₹25 to ₹35. What is the percentage increase?
- 2.A shopkeeper buys a cooler for ₹2400 and sells it for ₹2700. What is the profit (in ₹)?
- 3.A watch bought for ₹900 is sold for ₹720. What is the loss per cent?
- 4.What is 35% of 300?
- 5.What is 10% of 60?
- 6.What is the amount (principal + simple interest) on ₹9800 at 8% per year for 2 years (in ₹)?
- 7.A shopkeeper buys a cricket kit for ₹1750 and sells it for ₹1460. What is the loss (in ₹)?
- 8.A shopkeeper buys a sewing machine for ₹1950 and sells it for ₹2060. What is the profit (in ₹)?
- 9.What is 35% of 600?
- 10.A shopkeeper buys a watch for ₹850 and sells it for ₹1140. What is the profit (in ₹)?
- 11.What is the amount (principal + simple interest) on ₹8000 at 2% per year for 4 years (in ₹)?
- 12.A cycle costs ₹3600. It is sold at a 15% loss. What is the selling price (in ₹)?
- 13.What is 20% of 40?
- 14.A shopkeeper buys a mobile phone for ₹300 and sells it for ₹380. What is the profit (in ₹)?
- 15.What is the amount (principal + simple interest) on ₹4400 at 10% per year for 2 years (in ₹)?
- 16.What is the simple interest on ₹9500 at 9% per year for 5 years (in ₹)?
- 17.What is the simple interest on ₹1600 at 6% per year for 3 years (in ₹)?
- 18.What is the amount (principal + simple interest) on ₹500 at 2% per year for 1 year (in ₹)?
- 19.What is the amount (principal + simple interest) on ₹6000 at 10% per year for 3 years (in ₹)?
- 20.A shopkeeper buys a cricket kit for ₹900 and sells it for ₹1180. What is the profit (in ₹)?
- 21.What is the simple interest on ₹9900 at 4% per year for 5 years (in ₹)?
- 22.What is the amount (principal + simple interest) on ₹6700 at 6% per year for 1 year (in ₹)?
- 23.The price of a water bottle changed from ₹200 to ₹80. What is the percentage decrease?
- 24.A shopkeeper buys a cooler for ₹2250 and sells it for ₹2370. What is the profit (in ₹)?
- 25.A shopkeeper buys a cooler for ₹2150 and sells it for ₹2410. What is the profit (in ₹)?
- 26.A cricket kit costs ₹200. It is sold at a 30% profit. What is the selling price (in ₹)?
- 27.What is the simple interest on ₹1800 at 12% per year for 5 years (in ₹)?
- 28.A shopkeeper buys a watch for ₹1950 and sells it for ₹2220. What is the profit (in ₹)?
- 29.A shopkeeper buys a cycle for ₹1000 and sells it for ₹1110. What is the profit (in ₹)?
- 30.What is the amount (principal + simple interest) on ₹6800 at 10% per year for 3 years (in ₹)?
- 31.The price of a water bottle changed from ₹25 to ₹20. What is the percentage decrease?
- 32.What is the amount (principal + simple interest) on ₹4700 at 7% per year for 5 years (in ₹)?
- 33.What is the amount (principal + simple interest) on ₹500 at 4% per year for 5 years (in ₹)?
- 34.The price of a box of mangoes changed from ₹400 to ₹560. What is the percentage increase?
- 35.What is the amount (principal + simple interest) on ₹2800 at 3% per year for 1 year (in ₹)?
- 36.What is the amount (principal + simple interest) on ₹1700 at 6% per year for 3 years (in ₹)?
- 37.A mobile phone bought for ₹3400 is sold for ₹2550. What is the loss per cent?
- 38.What is the amount (principal + simple interest) on ₹7300 at 2% per year for 2 years (in ₹)?
- 39.A table costs ₹1900. It is sold at a 50% loss. What is the selling price (in ₹)?
- 40.A shopkeeper buys a table for ₹2500 and sells it for ₹2660. What is the profit (in ₹)?
Answer key
- 40
- 300
- 20
- 105
- 6
- 11368
- 290
- 110
- 210
- 290
- 8640
- 3060
- 8
- 80
- 5280
- 4275
- 288
- 510
- 7800
- 280
- 1980
- 7102
- 60
- 120
- 260
- 260
- 1080
- 270
- 110
- 8840
- 20
- 6345
- 600
- 40
- 2884
- 2006
- 25
- 7592
- 950
- 160
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