Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 36 · 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 amount (principal + simple interest) on ₹5200 at 7% per year for 4 years (in ₹)?
2. 2.What is the simple interest on ₹4600 at 2% per year for 4 years (in ₹)?
3. 3.What is the amount (principal + simple interest) on ₹7200 at 9% per year for 3 years (in ₹)?
4. 4.What is the simple interest on ₹8600 at 7% per year for 3 years (in ₹)?
5. 5.The price of a school bag changed from ₹40 to ₹42. What is the percentage increase?
6. 6.What is the amount (principal + simple interest) on ₹5400 at 11% per year for 1 year (in ₹)?
7. 7.The price of a pair of shoes changed from ₹25 to ₹5. What is the percentage decrease?
8. 8.A shopkeeper buys a table for ₹350 and sells it for ₹550. What is the profit (in ₹)?
9. 9.What is the simple interest on ₹1800 at 11% per year for 1 year (in ₹)?
10. 10.A watch costs ₹2800. It is sold at a 25% profit. What is the selling price (in ₹)?
11. 11.A mobile phone costs ₹1800. It is sold at a 30% loss. What is the selling price (in ₹)?
12. 12.The price of a water bottle changed from ₹500 to ₹50. What is the percentage decrease?
13. 13.The price of a cricket ball changed from ₹25 to ₹20. What is the percentage decrease?
14. 14.A table costs ₹2100. It is sold at a 12% profit. What is the selling price (in ₹)?
15. 15.A mobile phone bought for ₹2500 is sold for ₹3500. What is the profit per cent?
16. 16.What is 65% of 40?
17. 17.A fan bought for ₹1500 is sold for ₹1680. What is the profit per cent?
18. 18.What is the simple interest on ₹4900 at 2% per year for 2 years (in ₹)?
19. 19.A shopkeeper buys a watch for ₹500 and sells it for ₹330. What is the loss (in ₹)?
20. 20.What is the simple interest on ₹2800 at 5% per year for 3 years (in ₹)?
21. 21.A cricket kit costs ₹2100. It is sold at a 10% profit. What is the selling price (in ₹)?
22. 22.A cycle bought for ₹900 is sold for ₹810. What is the loss per cent?
23. 23.A cycle bought for ₹1800 is sold for ₹1980. What is the profit per cent?
24. 24.What is the amount (principal + simple interest) on ₹7300 at 9% per year for 2 years (in ₹)?
25. 25.What is 10% of 840?
26. 26.What is the simple interest on ₹4900 at 6% per year for 1 year (in ₹)?
27. 27.What is the amount (principal + simple interest) on ₹1900 at 9% per year for 3 years (in ₹)?
28. 28.The price of a school bag changed from ₹25 to ₹5. What is the percentage decrease?
29. 29.What is 15% of 900?
30. 30.The price of a water bottle changed from ₹80 to ₹16. What is the percentage decrease?
31. 31.A shopkeeper buys a sewing machine for ₹550 and sells it for ₹480. What is the loss (in ₹)?
32. 32.A table costs ₹200. It is sold at a 50% loss. What is the selling price (in ₹)?
33. 33.The price of a water bottle changed from ₹20 to ₹35. What is the percentage increase?
34. 34.What is the simple interest on ₹9500 at 2% per year for 2 years (in ₹)?
35. 35.A watch bought for ₹900 is sold for ₹990. What is the profit per cent?
36. 36.The price of a school bag changed from ₹100 to ₹110. What is the percentage increase?
37. 37.What is the simple interest on ₹5200 at 4% per year for 4 years (in ₹)?
38. 38.A fan costs ₹300. It is sold at a 15% loss. What is the selling price (in ₹)?
39. 39.What is the amount (principal + simple interest) on ₹8700 at 7% per year for 5 years (in ₹)?
40. 40.A cooler bought for ₹2400 is sold for ₹2520. What is the profit per cent?

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