Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 13 · 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 cricket ball changed from ₹250 to ₹100. What is the percentage decrease?
2. 2.A mobile phone costs ₹3100. It is sold at a 30% loss. What is the selling price (in ₹)?
3. 3.A shopkeeper buys a watch for ₹1000 and sells it for ₹950. What is the loss (in ₹)?
4. 4.What is the amount (principal + simple interest) on ₹9200 at 12% per year for 3 years (in ₹)?
5. 5.What is the simple interest on ₹7300 at 9% per year for 4 years (in ₹)?
6. 6.A watch bought for ₹2100 is sold for ₹1575. What is the loss per cent?
7. 7.A shopkeeper buys a sewing machine for ₹950 and sells it for ₹770. What is the loss (in ₹)?
8. 8.What is the simple interest on ₹5900 at 6% per year for 2 years (in ₹)?
9. 9.A shopkeeper buys a sewing machine for ₹1250 and sells it for ₹1320. What is the profit (in ₹)?
10. 10.What is the amount (principal + simple interest) on ₹7700 at 4% per year for 1 year (in ₹)?
11. 11.A watch costs ₹2700. It is sold at a 15% loss. What is the selling price (in ₹)?
12. 12.What is the simple interest on ₹4500 at 7% per year for 5 years (in ₹)?
13. 13.A table costs ₹2600. It is sold at a 30% loss. What is the selling price (in ₹)?
14. 14.The price of a box of mangoes changed from ₹25 to ₹15. What is the percentage decrease?
15. 15.What is the simple interest on ₹7100 at 9% per year for 1 year (in ₹)?
16. 16.A cooler costs ₹200. It is sold at a 10% profit. What is the selling price (in ₹)?
17. 17.A sewing machine bought for ₹3200 is sold for ₹3584. What is the profit per cent?
18. 18.A shopkeeper buys a fan for ₹1200 and sells it for ₹1300. What is the profit (in ₹)?
19. 19.What is 90% of 820?
20. 20.What is the amount (principal + simple interest) on ₹6400 at 6% per year for 2 years (in ₹)?
21. 21.What is the amount (principal + simple interest) on ₹6100 at 10% per year for 3 years (in ₹)?
22. 22.A shopkeeper buys a fan for ₹2700 and sells it for ₹2600. What is the loss (in ₹)?
23. 23.The price of a box of mangoes changed from ₹25 to ₹40. What is the percentage increase?
24. 24.A shopkeeper buys a table for ₹600 and sells it for ₹620. What is the profit (in ₹)?
25. 25.The price of a pair of shoes changed from ₹100 to ₹98. What is the percentage decrease?
26. 26.The price of a pair of shoes changed from ₹80 to ₹104. What is the percentage increase?
27. 27.A shopkeeper buys a cycle for ₹2750 and sells it for ₹2930. What is the profit (in ₹)?
28. 28.The price of a bus pass changed from ₹25 to ₹35. What is the percentage increase?
29. 29.A cycle costs ₹1300. It is sold at a 20% loss. What is the selling price (in ₹)?
30. 30.What is 20% of 940?
31. 31.What is 30% of 820?
32. 32.What is 20% of 760?
33. 33.The price of a pair of shoes changed from ₹80 to ₹112. What is the percentage increase?
34. 34.The price of a school bag changed from ₹20 to ₹19. What is the percentage decrease?
35. 35.The price of a water bottle changed from ₹40 to ₹42. What is the percentage increase?
36. 36.What is 10% of 740?
37. 37.A cooler bought for ₹2600 is sold for ₹1820. What is the loss per cent?
38. 38.The price of a cricket ball changed from ₹20 to ₹32. What is the percentage increase?
39. 39.The price of a cricket ball changed from ₹50 to ₹90. What is the percentage increase?
40. 40.A cycle costs ₹700. It is sold at a 10% profit. What is the selling price (in ₹)?

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