Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 562 · 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 ₹80 to ₹20. What is the percentage decrease?
2. 2.What is 90% of 460?
3. 3.What is the amount (principal + simple interest) on ₹5600 at 4% per year for 2 years (in ₹)?
4. 4.What is 45% of 800?
5. 5.What is 60% of 120?
6. 6.What is 35% of 380?
7. 7.A fan bought for ₹900 is sold for ₹1125. What is the profit per cent?
8. 8.A mobile phone bought for ₹3300 is sold for ₹3795. What is the profit per cent?
9. 9.What is the amount (principal + simple interest) on ₹1000 at 6% per year for 3 years (in ₹)?
10. 10.What is the amount (principal + simple interest) on ₹1500 at 3% per year for 5 years (in ₹)?
11. 11.A shopkeeper buys a watch for ₹1150 and sells it for ₹1090. What is the loss (in ₹)?
12. 12.The price of a school bag changed from ₹40 to ₹48. What is the percentage increase?
13. 13.A mobile phone bought for ₹3600 is sold for ₹3168. What is the loss per cent?
14. 14.The price of a school bag changed from ₹500 to ₹400. What is the percentage decrease?
15. 15.What is the amount (principal + simple interest) on ₹1100 at 12% per year for 2 years (in ₹)?
16. 16.A shopkeeper buys a watch for ₹2100 and sells it for ₹2260. What is the profit (in ₹)?
17. 17.The price of a water bottle changed from ₹20 to ₹35. What is the percentage increase?
18. 18.A shopkeeper buys a watch for ₹2300 and sells it for ₹2530. What is the profit (in ₹)?
19. 19.A shopkeeper buys a cycle for ₹500 and sells it for ₹560. What is the profit (in ₹)?
20. 20.What is 10% of 600?
21. 21.What is the amount (principal + simple interest) on ₹6600 at 2% per year for 2 years (in ₹)?
22. 22.What is the simple interest on ₹3700 at 10% per year for 3 years (in ₹)?
23. 23.A shopkeeper buys a sewing machine for ₹300 and sells it for ₹170. What is the loss (in ₹)?
24. 24.What is 5% of 680?
25. 25.A fan bought for ₹600 is sold for ₹570. What is the loss per cent?
26. 26.A watch bought for ₹3800 is sold for ₹5320. What is the profit per cent?
27. 27.What is 95% of 620?
28. 28.What is the amount (principal + simple interest) on ₹3300 at 2% per year for 3 years (in ₹)?
29. 29.A cooler bought for ₹1800 is sold for ₹2160. What is the profit per cent?
30. 30.A shopkeeper buys a cycle for ₹1750 and sells it for ₹1950. What is the profit (in ₹)?
31. 31.What is 15% of 380?
32. 32.What is 90% of 220?
33. 33.A cricket kit costs ₹1200. It is sold at a 12% profit. What is the selling price (in ₹)?
34. 34.A table bought for ₹600 is sold for ₹630. What is the profit per cent?
35. 35.What is the simple interest on ₹2600 at 6% per year for 4 years (in ₹)?
36. 36.A shopkeeper buys a cricket kit for ₹2950 and sells it for ₹2810. What is the loss (in ₹)?
37. 37.The price of a pair of shoes changed from ₹40 to ₹42. What is the percentage increase?
38. 38.What is the simple interest on ₹5200 at 3% per year for 5 years (in ₹)?
39. 39.A mobile phone costs ₹3500. It is sold at a 15% profit. What is the selling price (in ₹)?
40. 40.A shopkeeper buys a watch for ₹950 and sells it for ₹1130. What is the profit (in ₹)?

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