Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 856 · 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.The price of a water bottle changed from ₹20 to ₹24. What is the percentage increase?
2. 2.The price of a school bag changed from ₹500 to ₹700. What is the percentage increase?
3. 3.A watch bought for ₹2900 is sold for ₹1450. What is the loss per cent?
4. 4.What is the simple interest on ₹4100 at 10% per year for 5 years (in ₹)?
5. 5.What is 40% of 900?
6. 6.What is the amount (principal + simple interest) on ₹8700 at 4% per year for 1 year (in ₹)?
7. 7.What is the simple interest on ₹10000 at 4% per year for 2 years (in ₹)?
8. 8.A mobile phone bought for ₹2900 is sold for ₹3190. What is the profit per cent?
9. 9.What is 70% of 420?
10. 10.A cycle costs ₹1300. It is sold at a 20% loss. What is the selling price (in ₹)?
11. 11.A shopkeeper buys a cooler for ₹1900 and sells it for ₹1660. What is the loss (in ₹)?
12. 12.What is 30% of 520?
13. 13.The price of a box of mangoes changed from ₹400 to ₹240. What is the percentage decrease?
14. 14.A cricket kit bought for ₹600 is sold for ₹690. What is the profit per cent?
15. 15.What is the simple interest on ₹9000 at 9% per year for 3 years (in ₹)?
16. 16.The price of a school bag changed from ₹80 to ₹104. What is the percentage increase?
17. 17.The price of a water bottle changed from ₹40 to ₹20. What is the percentage decrease?
18. 18.What is the simple interest on ₹8900 at 2% per year for 1 year (in ₹)?
19. 19.A shopkeeper buys a cricket kit for ₹2800 and sells it for ₹2890. What is the profit (in ₹)?
20. 20.A fan bought for ₹900 is sold for ₹1350. What is the profit per cent?
21. 21.A cycle costs ₹900. It is sold at a 5% profit. What is the selling price (in ₹)?
22. 22.What is the simple interest on ₹2100 at 5% per year for 4 years (in ₹)?
23. 23.What is the simple interest on ₹5400 at 10% per year for 2 years (in ₹)?
24. 24.What is the amount (principal + simple interest) on ₹6900 at 10% per year for 2 years (in ₹)?
25. 25.What is the simple interest on ₹5700 at 5% per year for 1 year (in ₹)?
26. 26.A sewing machine bought for ₹900 is sold for ₹540. What is the loss per cent?
27. 27.A cycle bought for ₹2800 is sold for ₹3360. What is the profit per cent?
28. 28.The price of a cricket ball changed from ₹50 to ₹20. What is the percentage decrease?
29. 29.What is the amount (principal + simple interest) on ₹1700 at 11% per year for 1 year (in ₹)?
30. 30.What is the simple interest on ₹5400 at 11% per year for 4 years (in ₹)?
31. 31.What is 20% of 60?
32. 32.A shopkeeper buys a sewing machine for ₹300 and sells it for ₹150. What is the loss (in ₹)?
33. 33.A table costs ₹800. It is sold at a 15% loss. What is the selling price (in ₹)?
34. 34.A shopkeeper buys a fan for ₹2100 and sells it for ₹2030. What is the loss (in ₹)?
35. 35.A shopkeeper buys a fan for ₹1600 and sells it for ₹1890. What is the profit (in ₹)?
36. 36.A cooler bought for ₹1200 is sold for ₹1320. What is the profit per cent?
37. 37.A cooler bought for ₹400 is sold for ₹440. What is the profit per cent?
38. 38.A shopkeeper buys a cricket kit for ₹750 and sells it for ₹530. What is the loss (in ₹)?
39. 39.What is 25% of 340?
40. 40.The price of a school bag changed from ₹20 to ₹16. What is the percentage decrease?

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