Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 482 · 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 the simple interest on ₹5000 at 12% per year for 2 years (in ₹)?
2. 2.What is 60% of 160?
3. 3.What is 30% of 920?
4. 4.The price of a school bag changed from ₹40 to ₹30. What is the percentage decrease?
5. 5.A watch bought for ₹2200 is sold for ₹2860. What is the profit per cent?
6. 6.The price of a cricket ball changed from ₹20 to ₹2. What is the percentage decrease?
7. 7.What is 35% of 120?
8. 8.What is the amount (principal + simple interest) on ₹1700 at 11% per year for 4 years (in ₹)?
9. 9.What is 20% of 280?
10. 10.What is 5% of 40?
11. 11.What is 55% of 60?
12. 12.A shopkeeper buys a cycle for ₹600 and sells it for ₹360. What is the loss (in ₹)?
13. 13.A cycle bought for ₹300 is sold for ₹285. What is the loss per cent?
14. 14.What is 90% of 600?
15. 15.What is the amount (principal + simple interest) on ₹2100 at 5% per year for 2 years (in ₹)?
16. 16.What is 55% of 640?
17. 17.A cycle bought for ₹600 is sold for ₹720. What is the profit per cent?
18. 18.A cycle bought for ₹2000 is sold for ₹2300. What is the profit per cent?
19. 19.A fan costs ₹1100. It is sold at a 5% profit. What is the selling price (in ₹)?
20. 20.A shopkeeper buys a sewing machine for ₹1300 and sells it for ₹1360. What is the profit (in ₹)?
21. 21.The price of a school bag changed from ₹25 to ₹45. What is the percentage increase?
22. 22.A shopkeeper buys a sewing machine for ₹2500 and sells it for ₹2350. What is the loss (in ₹)?
23. 23.What is the amount (principal + simple interest) on ₹2500 at 12% per year for 5 years (in ₹)?
24. 24.A fan bought for ₹1200 is sold for ₹1500. What is the profit per cent?
25. 25.A shopkeeper buys a cricket kit for ₹400 and sells it for ₹150. What is the loss (in ₹)?
26. 26.A sewing machine bought for ₹3300 is sold for ₹2310. What is the loss per cent?
27. 27.A shopkeeper buys a mobile phone for ₹1800 and sells it for ₹1850. What is the profit (in ₹)?
28. 28.A table costs ₹300. It is sold at a 20% profit. What is the selling price (in ₹)?
29. 29.A watch costs ₹2200. It is sold at a 50% loss. What is the selling price (in ₹)?
30. 30.A mobile phone costs ₹3600. It is sold at a 40% profit. What is the selling price (in ₹)?
31. 31.The price of a water bottle changed from ₹20 to ₹18. What is the percentage decrease?
32. 32.A shopkeeper buys a mobile phone for ₹2050 and sells it for ₹1790. What is the loss (in ₹)?
33. 33.A shopkeeper buys a mobile phone for ₹1050 and sells it for ₹980. What is the loss (in ₹)?
34. 34.A shopkeeper buys a cricket kit for ₹1250 and sells it for ₹1310. What is the profit (in ₹)?
35. 35.What is 30% of 580?
36. 36.What is 10% of 600?
37. 37.A shopkeeper buys a fan for ₹1550 and sells it for ₹1820. What is the profit (in ₹)?
38. 38.What is the simple interest on ₹4600 at 8% per year for 2 years (in ₹)?
39. 39.The price of a bus pass changed from ₹80 to ₹112. What is the percentage increase?
40. 40.The price of a pair of shoes changed from ₹20 to ₹21. What is the percentage increase?

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