Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 535 · 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 shopkeeper buys a sewing machine for ₹350 and sells it for ₹560. What is the profit (in ₹)?
2. 2.The price of a school bag changed from ₹200 to ₹300. What is the percentage increase?
3. 3.The price of a box of mangoes changed from ₹20 to ₹19. What is the percentage decrease?
4. 4.A watch bought for ₹2500 is sold for ₹3125. What is the profit per cent?
5. 5.A watch bought for ₹3300 is sold for ₹4950. What is the profit per cent?
6. 6.What is the amount (principal + simple interest) on ₹8500 at 3% per year for 1 year (in ₹)?
7. 7.What is the simple interest on ₹4900 at 12% per year for 4 years (in ₹)?
8. 8.A sewing machine costs ₹3100. It is sold at a 25% loss. What is the selling price (in ₹)?
9. 9.A cycle costs ₹300. It is sold at a 30% loss. What is the selling price (in ₹)?
10. 10.What is 75% of 360?
11. 11.A mobile phone costs ₹300. It is sold at a 5% loss. What is the selling price (in ₹)?
12. 12.A fan bought for ₹400 is sold for ₹480. What is the profit per cent?
13. 13.The price of a bus pass changed from ₹500 to ₹475. What is the percentage decrease?
14. 14.What is the amount (principal + simple interest) on ₹9300 at 2% per year for 4 years (in ₹)?
15. 15.A shopkeeper buys a watch for ₹2850 and sells it for ₹2800. What is the loss (in ₹)?
16. 16.What is the amount (principal + simple interest) on ₹800 at 5% per year for 4 years (in ₹)?
17. 17.A sewing machine bought for ₹3300 is sold for ₹4620. What is the profit per cent?
18. 18.A fan bought for ₹900 is sold for ₹1260. What is the profit per cent?
19. 19.A shopkeeper buys a cricket kit for ₹750 and sells it for ₹460. What is the loss (in ₹)?
20. 20.A fan bought for ₹3300 is sold for ₹3465. What is the profit per cent?
21. 21.A watch costs ₹2100. It is sold at a 12% profit. What is the selling price (in ₹)?
22. 22.What is 60% of 220?
23. 23.A sewing machine costs ₹2900. It is sold at a 30% loss. What is the selling price (in ₹)?
24. 24.What is the simple interest on ₹500 at 4% per year for 5 years (in ₹)?
25. 25.What is the simple interest on ₹7800 at 6% per year for 5 years (in ₹)?
26. 26.A watch costs ₹2400. It is sold at a 5% loss. What is the selling price (in ₹)?
27. 27.The price of a school bag changed from ₹80 to ₹96. What is the percentage increase?
28. 28.A shopkeeper buys a watch for ₹700 and sells it for ₹760. What is the profit (in ₹)?
29. 29.What is the simple interest on ₹2800 at 2% per year for 5 years (in ₹)?
30. 30.What is 30% of 80?
31. 31.The price of a cricket ball changed from ₹25 to ₹45. What is the percentage increase?
32. 32.What is the simple interest on ₹700 at 12% per year for 1 year (in ₹)?
33. 33.The price of a water bottle changed from ₹40 to ₹52. What is the percentage increase?
34. 34.A cycle bought for ₹600 is sold for ₹630. What is the profit per cent?
35. 35.A mobile phone costs ₹1100. It is sold at a 25% profit. What is the selling price (in ₹)?
36. 36.What is 95% of 700?
37. 37.A mobile phone bought for ₹2200 is sold for ₹1980. What is the loss per cent?
38. 38.What is 75% of 560?
39. 39.A mobile phone bought for ₹2700 is sold for ₹2565. What is the loss per cent?
40. 40.A fan costs ₹2000. It is sold at a 50% loss. What is the selling price (in ₹)?

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