Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 409 · 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 pair of shoes changed from ₹50 to ₹55. What is the percentage increase?
2. 2.The price of a school bag changed from ₹80 to ₹140. What is the percentage increase?
3. 3.The price of a box of mangoes changed from ₹40 to ₹72. What is the percentage increase?
4. 4.A cycle bought for ₹4000 is sold for ₹4480. What is the profit per cent?
5. 5.What is the amount (principal + simple interest) on ₹5100 at 10% per year for 4 years (in ₹)?
6. 6.The price of a bus pass changed from ₹80 to ₹88. What is the percentage increase?
7. 7.A cycle bought for ₹1300 is sold for ₹1170. What is the loss per cent?
8. 8.The price of a cricket ball changed from ₹25 to ₹30. What is the percentage increase?
9. 9.What is 35% of 60?
10. 10.The price of a bus pass changed from ₹100 to ₹160. What is the percentage increase?
11. 11.A shopkeeper buys a fan for ₹2550 and sells it for ₹2570. What is the profit (in ₹)?
12. 12.What is 90% of 100?
13. 13.A fan costs ₹700. It is sold at a 12% profit. What is the selling price (in ₹)?
14. 14.What is the amount (principal + simple interest) on ₹4100 at 9% per year for 3 years (in ₹)?
15. 15.A cycle bought for ₹2300 is sold for ₹3450. What is the profit per cent?
16. 16.A shopkeeper buys a fan for ₹750 and sells it for ₹910. What is the profit (in ₹)?
17. 17.A shopkeeper buys a watch for ₹200 and sells it for ₹30. What is the loss (in ₹)?
18. 18.What is 40% of 500?
19. 19.What is the simple interest on ₹1800 at 10% per year for 1 year (in ₹)?
20. 20.What is the simple interest on ₹4800 at 5% per year for 1 year (in ₹)?
21. 21.A cycle costs ₹1200. It is sold at a 10% profit. What is the selling price (in ₹)?
22. 22.What is the simple interest on ₹3000 at 2% per year for 2 years (in ₹)?
23. 23.A fan bought for ₹2600 is sold for ₹2730. What is the profit per cent?
24. 24.What is the simple interest on ₹700 at 7% per year for 5 years (in ₹)?
25. 25.What is 80% of 80?
26. 26.What is the simple interest on ₹4900 at 5% per year for 1 year (in ₹)?
27. 27.What is the amount (principal + simple interest) on ₹6900 at 9% per year for 3 years (in ₹)?
28. 28.What is 70% of 180?
29. 29.The price of a school bag changed from ₹100 to ₹80. What is the percentage decrease?
30. 30.A shopkeeper buys a mobile phone for ₹2000 and sells it for ₹2050. What is the profit (in ₹)?
31. 31.A cooler bought for ₹2000 is sold for ₹1900. What is the loss per cent?
32. 32.A watch bought for ₹800 is sold for ₹720. What is the loss per cent?
33. 33.What is the simple interest on ₹3500 at 9% per year for 1 year (in ₹)?
34. 34.A shopkeeper buys a mobile phone for ₹2650 and sells it for ₹2720. What is the profit (in ₹)?
35. 35.What is 20% of 900?
36. 36.What is 80% of 660?
37. 37.What is 40% of 360?
38. 38.A fan costs ₹2400. It is sold at a 25% profit. What is the selling price (in ₹)?
39. 39.The price of a box of mangoes changed from ₹200 to ₹380. What is the percentage increase?
40. 40.The price of a school bag changed from ₹20 to ₹21. What is the percentage increase?

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