Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 293 · 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 45% of 100?
2. 2.The price of a school bag changed from ₹500 to ₹475. What is the percentage decrease?
3. 3.What is the simple interest on ₹3100 at 7% per year for 5 years (in ₹)?
4. 4.What is the simple interest on ₹6800 at 3% per year for 4 years (in ₹)?
5. 5.What is the amount (principal + simple interest) on ₹6000 at 5% per year for 2 years (in ₹)?
6. 6.What is 70% of 320?
7. 7.A shopkeeper buys a fan for ₹1150 and sells it for ₹1440. What is the profit (in ₹)?
8. 8.A fan costs ₹2000. It is sold at a 5% loss. What is the selling price (in ₹)?
9. 9.What is the simple interest on ₹6400 at 8% per year for 2 years (in ₹)?
10. 10.A sewing machine costs ₹1900. It is sold at a 12% profit. What is the selling price (in ₹)?
11. 11.A shopkeeper buys a fan for ₹2700 and sells it for ₹2530. What is the loss (in ₹)?
12. 12.What is the simple interest on ₹1800 at 4% per year for 4 years (in ₹)?
13. 13.What is 95% of 40?
14. 14.The price of a school bag changed from ₹400 to ₹720. What is the percentage increase?
15. 15.What is the simple interest on ₹5100 at 9% per year for 3 years (in ₹)?
16. 16.A shopkeeper buys a fan for ₹1150 and sells it for ₹1090. What is the loss (in ₹)?
17. 17.What is the amount (principal + simple interest) on ₹9700 at 2% per year for 1 year (in ₹)?
18. 18.A table bought for ₹1100 is sold for ₹990. What is the loss per cent?
19. 19.What is the simple interest on ₹7700 at 10% per year for 3 years (in ₹)?
20. 20.A shopkeeper buys a sewing machine for ₹250 and sells it for ₹50. What is the loss (in ₹)?
21. 21.A cycle bought for ₹200 is sold for ₹240. What is the profit per cent?
22. 22.A cricket kit bought for ₹1500 is sold for ₹1350. What is the loss per cent?
23. 23.A shopkeeper buys a sewing machine for ₹1900 and sells it for ₹2160. What is the profit (in ₹)?
24. 24.A cycle bought for ₹900 is sold for ₹1260. What is the profit per cent?
25. 25.What is the simple interest on ₹6200 at 7% per year for 3 years (in ₹)?
26. 26.What is the amount (principal + simple interest) on ₹3900 at 8% per year for 1 year (in ₹)?
27. 27.What is the simple interest on ₹8000 at 2% per year for 2 years (in ₹)?
28. 28.The price of a bus pass changed from ₹200 to ₹350. What is the percentage increase?
29. 29.What is 5% of 720?
30. 30.What is 95% of 900?
31. 31.A cycle bought for ₹1400 is sold for ₹2100. What is the profit per cent?
32. 32.A mobile phone costs ₹3600. It is sold at a 30% loss. What is the selling price (in ₹)?
33. 33.A shopkeeper buys a cycle for ₹2100 and sells it for ₹2180. What is the profit (in ₹)?
34. 34.What is 25% of 160?
35. 35.What is the amount (principal + simple interest) on ₹2100 at 12% per year for 2 years (in ₹)?
36. 36.A shopkeeper buys a watch for ₹2650 and sells it for ₹2540. What is the loss (in ₹)?
37. 37.What is 15% of 540?
38. 38.The price of a bus pass changed from ₹20 to ₹21. What is the percentage increase?
39. 39.The price of a bus pass changed from ₹400 to ₹520. What is the percentage increase?
40. 40.The price of a school bag changed from ₹80 to ₹20. What is the percentage decrease?

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