Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 901 · 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.What is 35% of 100?
2. 2.What is the simple interest on ₹6100 at 10% per year for 3 years (in ₹)?
3. 3.A shopkeeper buys a fan for ₹300 and sells it for ₹130. What is the loss (in ₹)?
4. 4.A shopkeeper buys a cooler for ₹2350 and sells it for ₹2270. What is the loss (in ₹)?
5. 5.What is the amount (principal + simple interest) on ₹8200 at 12% per year for 1 year (in ₹)?
6. 6.The price of a school bag changed from ₹200 to ₹20. What is the percentage decrease?
7. 7.What is 45% of 940?
8. 8.A shopkeeper buys a cricket kit for ₹2250 and sells it for ₹2210. What is the loss (in ₹)?
9. 9.What is 5% of 260?
10. 10.A fan costs ₹2400. It is sold at a 30% profit. What is the selling price (in ₹)?
11. 11.The price of a box of mangoes changed from ₹40 to ₹20. What is the percentage decrease?
12. 12.A watch costs ₹600. It is sold at a 5% loss. What is the selling price (in ₹)?
13. 13.A sewing machine costs ₹800. It is sold at a 25% profit. What is the selling price (in ₹)?
14. 14.A cycle bought for ₹600 is sold for ₹672. What is the profit per cent?
15. 15.A cricket kit bought for ₹1200 is sold for ₹1320. What is the profit per cent?
16. 16.What is 10% of 820?
17. 17.A mobile phone costs ₹3600. It is sold at a 10% profit. What is the selling price (in ₹)?
18. 18.What is the simple interest on ₹2400 at 3% per year for 5 years (in ₹)?
19. 19.What is 25% of 840?
20. 20.The price of a cricket ball changed from ₹40 to ₹30. What is the percentage decrease?
21. 21.The price of a pair of shoes changed from ₹25 to ₹15. What is the percentage decrease?
22. 22.A shopkeeper buys a fan for ₹1250 and sells it for ₹1540. What is the profit (in ₹)?
23. 23.A shopkeeper buys a cycle for ₹1150 and sells it for ₹960. What is the loss (in ₹)?
24. 24.The price of a cricket ball changed from ₹100 to ₹95. What is the percentage decrease?
25. 25.What is the amount (principal + simple interest) on ₹1400 at 8% per year for 1 year (in ₹)?
26. 26.What is 10% of 960?
27. 27.What is the simple interest on ₹8800 at 7% per year for 3 years (in ₹)?
28. 28.What is the simple interest on ₹3300 at 5% per year for 5 years (in ₹)?
29. 29.What is the amount (principal + simple interest) on ₹3900 at 2% per year for 5 years (in ₹)?
30. 30.What is the simple interest on ₹7800 at 3% per year for 4 years (in ₹)?
31. 31.What is the simple interest on ₹7800 at 2% per year for 1 year (in ₹)?
32. 32.What is 10% of 340?
33. 33.A watch bought for ₹800 is sold for ₹960. What is the profit per cent?
34. 34.A cycle costs ₹2700. It is sold at a 50% profit. What is the selling price (in ₹)?
35. 35.A shopkeeper buys a cricket kit for ₹450 and sells it for ₹180. What is the loss (in ₹)?
36. 36.A mobile phone bought for ₹3300 is sold for ₹3960. What is the profit per cent?
37. 37.The price of a bus pass changed from ₹25 to ₹45. What is the percentage increase?
38. 38.A shopkeeper buys a fan for ₹2700 and sells it for ₹2910. What is the profit (in ₹)?
39. 39.A sewing machine bought for ₹800 is sold for ₹1040. What is the profit per cent?
40. 40.What is the simple interest on ₹5800 at 3% per year for 3 years (in ₹)?

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