Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 559 · 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 school bag changed from ₹20 to ₹16. What is the percentage decrease?
2. 2.What is the simple interest on ₹3800 at 7% per year for 1 year (in ₹)?
3. 3.What is the simple interest on ₹5400 at 3% per year for 1 year (in ₹)?
4. 4.What is 25% of 360?
5. 5.A fan bought for ₹1300 is sold for ₹1365. What is the profit per cent?
6. 6.What is 40% of 360?
7. 7.What is 65% of 620?
8. 8.A fan bought for ₹3700 is sold for ₹1850. What is the loss per cent?
9. 9.A table costs ₹3900. It is sold at a 30% loss. What is the selling price (in ₹)?
10. 10.A fan bought for ₹3500 is sold for ₹2450. What is the loss per cent?
11. 11.What is the simple interest on ₹4900 at 5% per year for 3 years (in ₹)?
12. 12.A fan costs ₹2100. It is sold at a 12% loss. What is the selling price (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹1200 at 3% per year for 4 years (in ₹)?
14. 14.What is 95% of 720?
15. 15.The price of a box of mangoes changed from ₹100 to ₹175. What is the percentage increase?
16. 16.The price of a bus pass changed from ₹100 to ₹180. What is the percentage increase?
17. 17.What is the simple interest on ₹2300 at 5% per year for 4 years (in ₹)?
18. 18.A mobile phone bought for ₹3600 is sold for ₹3780. What is the profit per cent?
19. 19.The price of a water bottle changed from ₹25 to ₹10. What is the percentage decrease?
20. 20.A shopkeeper buys a mobile phone for ₹2700 and sells it for ₹2430. What is the loss (in ₹)?
21. 21.What is the amount (principal + simple interest) on ₹7400 at 7% per year for 4 years (in ₹)?
22. 22.What is 30% of 300?
23. 23.What is the simple interest on ₹4100 at 6% per year for 1 year (in ₹)?
24. 24.A cycle bought for ₹1400 is sold for ₹1820. What is the profit per cent?
25. 25.A watch bought for ₹2900 is sold for ₹2175. What is the loss per cent?
26. 26.A shopkeeper buys a watch for ₹2450 and sells it for ₹2710. What is the profit (in ₹)?
27. 27.A cycle costs ₹1600. It is sold at a 20% loss. What is the selling price (in ₹)?
28. 28.The price of a school bag changed from ₹80 to ₹64. What is the percentage decrease?
29. 29.What is the amount (principal + simple interest) on ₹4900 at 9% per year for 2 years (in ₹)?
30. 30.A cricket kit costs ₹2300. It is sold at a 30% profit. What is the selling price (in ₹)?
31. 31.A watch bought for ₹2400 is sold for ₹1680. What is the loss per cent?
32. 32.What is the amount (principal + simple interest) on ₹4100 at 11% per year for 2 years (in ₹)?
33. 33.A watch bought for ₹2500 is sold for ₹2200. What is the loss per cent?
34. 34.A shopkeeper buys a table for ₹2800 and sells it for ₹2780. What is the loss (in ₹)?
35. 35.The price of a water bottle changed from ₹250 to ₹375. What is the percentage increase?
36. 36.What is the simple interest on ₹3100 at 9% per year for 3 years (in ₹)?
37. 37.What is 5% of 740?
38. 38.The price of a school bag changed from ₹100 to ₹125. What is the percentage increase?
39. 39.What is the amount (principal + simple interest) on ₹8600 at 12% per year for 5 years (in ₹)?
40. 40.A watch bought for ₹2700 is sold for ₹3780. What is the profit per cent?

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