Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 286 · 40 sums

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.

1. 1.A fan costs ₹3200. It is sold at a 20% loss. What is the selling price (in ₹)?
2. 2.What is the simple interest on ₹3600 at 3% per year for 5 years (in ₹)?
3. 3.A fan bought for ₹1000 is sold for ₹1500. What is the profit per cent?
4. 4.The price of a box of mangoes changed from ₹80 to ₹76. What is the percentage decrease?
5. 5.What is 20% of 40?
6. 6.What is the simple interest on ₹7600 at 2% per year for 3 years (in ₹)?
7. 7.The price of a box of mangoes changed from ₹20 to ₹22. What is the percentage increase?
8. 8.What is 30% of 680?
9. 9.What is the simple interest on ₹9700 at 7% per year for 5 years (in ₹)?
10. 10.A shopkeeper buys a cooler for ₹2250 and sells it for ₹2260. What is the profit (in ₹)?
11. 11.A sewing machine costs ₹2200. It is sold at a 40% profit. What is the selling price (in ₹)?
12. 12.A sewing machine costs ₹1600. It is sold at a 25% loss. What is the selling price (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹2600 at 10% per year for 1 year (in ₹)?
14. 14.The price of a water bottle changed from ₹250 to ₹325. What is the percentage increase?
15. 15.A sewing machine costs ₹1900. It is sold at a 10% loss. What is the selling price (in ₹)?
16. 16.A shopkeeper buys a cricket kit for ₹2650 and sells it for ₹2790. What is the profit (in ₹)?
17. 17.What is the simple interest on ₹4400 at 7% per year for 3 years (in ₹)?
18. 18.The price of a water bottle changed from ₹400 to ₹600. What is the percentage increase?
19. 19.A sewing machine bought for ₹1600 is sold for ₹2080. What is the profit per cent?
20. 20.A cycle costs ₹3900. It is sold at a 50% profit. What is the selling price (in ₹)?
21. 21.What is the amount (principal + simple interest) on ₹2400 at 2% per year for 4 years (in ₹)?
22. 22.A cycle costs ₹2100. It is sold at a 30% loss. What is the selling price (in ₹)?
23. 23.What is 40% of 720?
24. 24.What is the amount (principal + simple interest) on ₹7000 at 3% per year for 3 years (in ₹)?
25. 25.The price of a box of mangoes changed from ₹400 to ₹420. What is the percentage increase?
26. 26.A sewing machine costs ₹3100. It is sold at a 15% loss. What is the selling price (in ₹)?
27. 27.A mobile phone costs ₹1500. It is sold at a 20% loss. What is the selling price (in ₹)?
28. 28.A shopkeeper buys a watch for ₹600 and sells it for ₹310. What is the loss (in ₹)?
29. 29.A shopkeeper buys a cooler for ₹1400 and sells it for ₹1700. What is the profit (in ₹)?
30. 30.What is 70% of 300?
31. 31.What is the amount (principal + simple interest) on ₹6400 at 2% per year for 2 years (in ₹)?
32. 32.A shopkeeper buys a watch for ₹650 and sells it for ₹520. What is the loss (in ₹)?
33. 33.A fan costs ₹3400. It is sold at a 40% loss. What is the selling price (in ₹)?
34. 34.What is 85% of 340?
35. 35.A table bought for ₹1000 is sold for ₹800. What is the loss per cent?
36. 36.A watch costs ₹2400. It is sold at a 15% loss. What is the selling price (in ₹)?
37. 37.What is the simple interest on ₹3800 at 8% per year for 2 years (in ₹)?
38. 38.What is the amount (principal + simple interest) on ₹7000 at 5% per year for 4 years (in ₹)?
39. 39.What is the simple interest on ₹1400 at 2% per year for 5 years (in ₹)?
40. 40.The price of a school bag changed from ₹20 to ₹24. What is the percentage increase?

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