Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 60 · 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 simple interest on ₹3900 at 7% per year for 1 year (in ₹)?
2. 2.The price of a bus pass changed from ₹80 to ₹104. What is the percentage increase?
3. 3.A shopkeeper buys a sewing machine for ₹1350 and sells it for ₹1360. What is the profit (in ₹)?
4. 4.A cycle costs ₹3800. It is sold at a 15% loss. What is the selling price (in ₹)?
5. 5.What is the simple interest on ₹6400 at 4% per year for 1 year (in ₹)?
6. 6.A fan costs ₹1400. It is sold at a 12% loss. What is the selling price (in ₹)?
7. 7.A watch costs ₹2700. It is sold at a 12% loss. What is the selling price (in ₹)?
8. 8.A sewing machine bought for ₹2900 is sold for ₹1740. What is the loss per cent?
9. 9.What is 45% of 100?
10. 10.A shopkeeper buys a fan for ₹1850 and sells it for ₹1970. What is the profit (in ₹)?
11. 11.A cycle bought for ₹2000 is sold for ₹1400. What is the loss per cent?
12. 12.What is the amount (principal + simple interest) on ₹5000 at 3% per year for 2 years (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹2700 at 2% per year for 4 years (in ₹)?
14. 14.A shopkeeper buys a sewing machine for ₹300 and sells it for ₹440. What is the profit (in ₹)?
15. 15.The price of a school bag changed from ₹20 to ₹30. What is the percentage increase?
16. 16.What is 60% of 660?
17. 17.The price of a box of mangoes changed from ₹200 to ₹140. What is the percentage decrease?
18. 18.A cricket kit costs ₹2700. It is sold at a 10% profit. What is the selling price (in ₹)?
19. 19.The price of a cricket ball changed from ₹50 to ₹60. What is the percentage increase?
20. 20.A cricket kit costs ₹1400. It is sold at a 12% loss. What is the selling price (in ₹)?
21. 21.A sewing machine bought for ₹2900 is sold for ₹2465. What is the loss per cent?
22. 22.A shopkeeper buys a table for ₹1600 and sells it for ₹1540. What is the loss (in ₹)?
23. 23.What is the simple interest on ₹5300 at 3% per year for 2 years (in ₹)?
24. 24.What is the simple interest on ₹8700 at 4% per year for 1 year (in ₹)?
25. 25.What is the amount (principal + simple interest) on ₹800 at 3% per year for 2 years (in ₹)?
26. 26.What is the simple interest on ₹7200 at 4% per year for 2 years (in ₹)?
27. 27.A mobile phone bought for ₹700 is sold for ₹875. What is the profit per cent?
28. 28.What is 10% of 140?
29. 29.A shopkeeper buys a sewing machine for ₹2400 and sells it for ₹2190. What is the loss (in ₹)?
30. 30.A cricket kit costs ₹3400. It is sold at a 10% loss. What is the selling price (in ₹)?
31. 31.A mobile phone costs ₹2400. It is sold at a 25% profit. What is the selling price (in ₹)?
32. 32.What is 80% of 680?
33. 33.The price of a box of mangoes changed from ₹200 to ₹196. What is the percentage decrease?
34. 34.A watch bought for ₹3800 is sold for ₹3230. What is the loss per cent?
35. 35.A cycle bought for ₹400 is sold for ₹600. What is the profit per cent?
36. 36.What is the simple interest on ₹3300 at 3% per year for 2 years (in ₹)?
37. 37.The price of a pair of shoes changed from ₹50 to ₹25. What is the percentage decrease?
38. 38.A sewing machine costs ₹2500. It is sold at a 15% profit. What is the selling price (in ₹)?
39. 39.A mobile phone costs ₹2900. It is sold at a 12% loss. What is the selling price (in ₹)?
40. 40.The price of a pair of shoes changed from ₹40 to ₹30. What is the percentage decrease?

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