Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 755 · 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 cricket kit bought for ₹3400 is sold for ₹3910. What is the profit per cent?
2. 2.What is 5% of 500?
3. 3.A cooler bought for ₹800 is sold for ₹640. What is the loss per cent?
4. 4.A mobile phone bought for ₹300 is sold for ₹285. What is the loss per cent?
5. 5.What is the simple interest on ₹1800 at 10% per year for 3 years (in ₹)?
6. 6.A shopkeeper buys a fan for ₹1750 and sells it for ₹1860. What is the profit (in ₹)?
7. 7.What is the amount (principal + simple interest) on ₹2700 at 4% per year for 5 years (in ₹)?
8. 8.What is 75% of 620?
9. 9.A table costs ₹300. It is sold at a 12% profit. What is the selling price (in ₹)?
10. 10.What is the amount (principal + simple interest) on ₹3200 at 8% per year for 1 year (in ₹)?
11. 11.A watch costs ₹1700. It is sold at a 10% loss. What is the selling price (in ₹)?
12. 12.A shopkeeper buys a table for ₹1600 and sells it for ₹1800. What is the profit (in ₹)?
13. 13.A cooler costs ₹500. It is sold at a 20% profit. What is the selling price (in ₹)?
14. 14.What is 35% of 480?
15. 15.A cooler costs ₹2400. It is sold at a 5% loss. What is the selling price (in ₹)?
16. 16.What is 35% of 640?
17. 17.What is 55% of 940?
18. 18.What is the simple interest on ₹8300 at 10% per year for 2 years (in ₹)?
19. 19.What is 20% of 700?
20. 20.A cricket kit bought for ₹3500 is sold for ₹4375. What is the profit per cent?
21. 21.The price of a box of mangoes changed from ₹100 to ₹140. What is the percentage increase?
22. 22.The price of a school bag changed from ₹200 to ₹20. What is the percentage decrease?
23. 23.What is 15% of 760?
24. 24.What is the amount (principal + simple interest) on ₹6200 at 4% per year for 5 years (in ₹)?
25. 25.What is the amount (principal + simple interest) on ₹2800 at 11% per year for 1 year (in ₹)?
26. 26.What is the simple interest on ₹8500 at 8% per year for 2 years (in ₹)?
27. 27.What is 30% of 340?
28. 28.What is 80% of 540?
29. 29.A sewing machine costs ₹2600. It is sold at a 50% loss. What is the selling price (in ₹)?
30. 30.The price of a cricket ball changed from ₹25 to ₹30. What is the percentage increase?
31. 31.What is the amount (principal + simple interest) on ₹3000 at 9% per year for 2 years (in ₹)?
32. 32.What is the simple interest on ₹3200 at 6% per year for 3 years (in ₹)?
33. 33.What is the amount (principal + simple interest) on ₹2600 at 9% per year for 2 years (in ₹)?
34. 34.A watch costs ₹2700. It is sold at a 15% profit. What is the selling price (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹2600 at 3% per year for 1 year (in ₹)?
36. 36.The price of a water bottle changed from ₹25 to ₹40. What is the percentage increase?
37. 37.What is 65% of 640?
38. 38.What is 10% of 80?
39. 39.What is the amount (principal + simple interest) on ₹6500 at 2% per year for 5 years (in ₹)?
40. 40.What is the simple interest on ₹10000 at 4% per year for 2 years (in ₹)?

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