Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 794 · 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 costs ₹2400. It is sold at a 40% profit. What is the selling price (in ₹)?
2. 2.A shopkeeper buys a cooler for ₹1300 and sells it for ₹1520. What is the profit (in ₹)?
3. 3.The price of a bus pass changed from ₹50 to ₹49. What is the percentage decrease?
4. 4.A shopkeeper buys a fan for ₹500 and sells it for ₹720. What is the profit (in ₹)?
5. 5.What is the simple interest on ₹1200 at 3% per year for 4 years (in ₹)?
6. 6.A cooler bought for ₹3500 is sold for ₹3675. What is the profit per cent?
7. 7.What is the amount (principal + simple interest) on ₹3600 at 10% per year for 3 years (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹9200 at 3% per year for 3 years (in ₹)?
9. 9.A shopkeeper buys a watch for ₹1450 and sells it for ₹1500. What is the profit (in ₹)?
10. 10.What is 40% of 40?
11. 11.A shopkeeper buys a watch for ₹1050 and sells it for ₹1000. What is the loss (in ₹)?
12. 12.What is the amount (principal + simple interest) on ₹5700 at 6% per year for 3 years (in ₹)?
13. 13.A shopkeeper buys a watch for ₹350 and sells it for ₹230. What is the loss (in ₹)?
14. 14.A shopkeeper buys a watch for ₹300 and sells it for ₹370. What is the profit (in ₹)?
15. 15.What is the simple interest on ₹3400 at 5% per year for 3 years (in ₹)?
16. 16.What is 45% of 140?
17. 17.What is the amount (principal + simple interest) on ₹9800 at 12% per year for 1 year (in ₹)?
18. 18.What is the simple interest on ₹2100 at 12% per year for 1 year (in ₹)?
19. 19.A shopkeeper buys a watch for ₹2450 and sells it for ₹2310. What is the loss (in ₹)?
20. 20.The price of a water bottle changed from ₹200 to ₹50. What is the percentage decrease?
21. 21.What is the simple interest on ₹7500 at 6% per year for 3 years (in ₹)?
22. 22.A shopkeeper buys a cooler for ₹2100 and sells it for ₹2190. What is the profit (in ₹)?
23. 23.A sewing machine costs ₹4000. It is sold at a 40% loss. What is the selling price (in ₹)?
24. 24.What is the simple interest on ₹3400 at 11% per year for 4 years (in ₹)?
25. 25.What is the simple interest on ₹3300 at 4% per year for 2 years (in ₹)?
26. 26.What is the simple interest on ₹7600 at 5% per year for 2 years (in ₹)?
27. 27.What is the simple interest on ₹9300 at 7% per year for 5 years (in ₹)?
28. 28.What is the amount (principal + simple interest) on ₹1500 at 12% per year for 4 years (in ₹)?
29. 29.A shopkeeper buys a cycle for ₹350 and sells it for ₹420. What is the profit (in ₹)?
30. 30.The price of a school bag changed from ₹250 to ₹275. What is the percentage increase?
31. 31.A sewing machine costs ₹1800. It is sold at a 30% loss. What is the selling price (in ₹)?
32. 32.The price of a cricket ball changed from ₹40 to ₹20. What is the percentage decrease?
33. 33.What is the simple interest on ₹2800 at 2% per year for 2 years (in ₹)?
34. 34.A shopkeeper buys a table for ₹700 and sells it for ₹450. What is the loss (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹4200 at 7% per year for 3 years (in ₹)?
36. 36.What is the simple interest on ₹1800 at 12% per year for 2 years (in ₹)?
37. 37.A mobile phone bought for ₹900 is sold for ₹945. What is the profit per cent?
38. 38.The price of a pair of shoes changed from ₹250 to ₹300. What is the percentage increase?
39. 39.A shopkeeper buys a sewing machine for ₹1250 and sells it for ₹1400. What is the profit (in ₹)?
40. 40.What is 80% of 500?

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