Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 938 · 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.A shopkeeper buys a cycle for ₹350 and sells it for ₹280. What is the loss (in ₹)?
2. 2.What is the simple interest on ₹3900 at 4% per year for 1 year (in ₹)?
3. 3.The price of a school bag changed from ₹400 to ₹100. What is the percentage decrease?
4. 4.What is the amount (principal + simple interest) on ₹5600 at 4% per year for 2 years (in ₹)?
5. 5.What is the amount (principal + simple interest) on ₹9000 at 5% per year for 1 year (in ₹)?
6. 6.What is 30% of 60?
7. 7.The price of a water bottle changed from ₹50 to ₹45. What is the percentage decrease?
8. 8.A shopkeeper buys a sewing machine for ₹350 and sells it for ₹180. What is the loss (in ₹)?
9. 9.What is 10% of 500?
10. 10.What is 40% of 200?
11. 11.A cycle costs ₹600. It is sold at a 25% profit. What is the selling price (in ₹)?
12. 12.A cycle costs ₹1400. It is sold at a 50% profit. What is the selling price (in ₹)?
13. 13.What is the simple interest on ₹1100 at 8% per year for 3 years (in ₹)?
14. 14.A cricket kit costs ₹200. It is sold at a 20% loss. What is the selling price (in ₹)?
15. 15.The price of a school bag changed from ₹50 to ₹60. What is the percentage increase?
16. 16.What is 65% of 760?
17. 17.The price of a cricket ball changed from ₹20 to ₹24. What is the percentage increase?
18. 18.What is the amount (principal + simple interest) on ₹2900 at 4% per year for 3 years (in ₹)?
19. 19.A shopkeeper buys a watch for ₹850 and sells it for ₹810. What is the loss (in ₹)?
20. 20.What is the amount (principal + simple interest) on ₹2300 at 8% per year for 5 years (in ₹)?
21. 21.What is 55% of 900?
22. 22.What is 45% of 180?
23. 23.A cricket kit costs ₹2800. It is sold at a 25% loss. What is the selling price (in ₹)?
24. 24.The price of a pair of shoes changed from ₹25 to ₹20. What is the percentage decrease?
25. 25.What is 35% of 740?
26. 26.A cooler costs ₹500. It is sold at a 25% profit. What is the selling price (in ₹)?
27. 27.What is 90% of 820?
28. 28.What is 35% of 640?
29. 29.A shopkeeper buys a sewing machine for ₹2700 and sells it for ₹2640. What is the loss (in ₹)?
30. 30.The price of a water bottle changed from ₹20 to ₹38. What is the percentage increase?
31. 31.A watch costs ₹3600. It is sold at a 50% loss. What is the selling price (in ₹)?
32. 32.A shopkeeper buys a cycle for ₹250 and sells it for ₹120. What is the loss (in ₹)?
33. 33.The price of a school bag changed from ₹25 to ₹30. What is the percentage increase?
34. 34.The price of a pair of shoes changed from ₹20 to ₹19. What is the percentage decrease?
35. 35.What is the amount (principal + simple interest) on ₹5500 at 9% per year for 3 years (in ₹)?
36. 36.What is 55% of 700?
37. 37.What is the simple interest on ₹700 at 11% per year for 2 years (in ₹)?
38. 38.A mobile phone costs ₹1900. It is sold at a 25% profit. What is the selling price (in ₹)?
39. 39.A shopkeeper buys a cycle for ₹850 and sells it for ₹570. What is the loss (in ₹)?
40. 40.What is 15% of 620?

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