Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 102 · 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 school bag changed from ₹80 to ₹40. What is the percentage decrease?
2. 2.What is the amount (principal + simple interest) on ₹1700 at 9% per year for 2 years (in ₹)?
3. 3.What is 10% of 260?
4. 4.What is the simple interest on ₹2400 at 11% per year for 5 years (in ₹)?
5. 5.A cooler costs ₹200. It is sold at a 20% profit. What is the selling price (in ₹)?
6. 6.A sewing machine costs ₹3300. It is sold at a 25% loss. What is the selling price (in ₹)?
7. 7.A shopkeeper buys a sewing machine for ₹1850 and sells it for ₹1990. What is the profit (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹900 at 11% per year for 3 years (in ₹)?
9. 9.A watch costs ₹900. It is sold at a 20% profit. What is the selling price (in ₹)?
10. 10.A shopkeeper buys a table for ₹1950 and sells it for ₹2180. What is the profit (in ₹)?
11. 11.What is 5% of 220?
12. 12.What is the simple interest on ₹7100 at 3% per year for 1 year (in ₹)?
13. 13.What is 75% of 200?
14. 14.A shopkeeper buys a watch for ₹2350 and sells it for ₹2440. What is the profit (in ₹)?
15. 15.A shopkeeper buys a cricket kit for ₹1900 and sells it for ₹1660. What is the loss (in ₹)?
16. 16.What is 90% of 580?
17. 17.What is the amount (principal + simple interest) on ₹2200 at 4% per year for 4 years (in ₹)?
18. 18.The price of a pair of shoes changed from ₹20 to ₹30. What is the percentage increase?
19. 19.The price of a bus pass changed from ₹200 to ₹210. What is the percentage increase?
20. 20.A mobile phone bought for ₹1800 is sold for ₹1980. What is the profit per cent?
21. 21.What is 75% of 380?
22. 22.The price of a pair of shoes changed from ₹250 to ₹100. What is the percentage decrease?
23. 23.What is 90% of 920?
24. 24.What is 10% of 680?
25. 25.The price of a pair of shoes changed from ₹25 to ₹5. What is the percentage decrease?
26. 26.What is 35% of 340?
27. 27.What is the simple interest on ₹2000 at 12% per year for 1 year (in ₹)?
28. 28.What is the amount (principal + simple interest) on ₹1600 at 6% per year for 5 years (in ₹)?
29. 29.What is 40% of 340?
30. 30.The price of a school bag changed from ₹80 to ₹100. What is the percentage increase?
31. 31.A shopkeeper buys a fan for ₹450 and sells it for ₹330. What is the loss (in ₹)?
32. 32.A cycle costs ₹300. It is sold at a 30% profit. What is the selling price (in ₹)?
33. 33.A shopkeeper buys a table for ₹1250 and sells it for ₹1380. What is the profit (in ₹)?
34. 34.What is the simple interest on ₹7700 at 3% per year for 1 year (in ₹)?
35. 35.A shopkeeper buys a cricket kit for ₹2050 and sells it for ₹1850. What is the loss (in ₹)?
36. 36.What is 10% of 500?
37. 37.A fan bought for ₹1700 is sold for ₹1190. What is the loss per cent?
38. 38.A shopkeeper buys a watch for ₹2450 and sells it for ₹2390. What is the loss (in ₹)?
39. 39.A shopkeeper buys a mobile phone for ₹1850 and sells it for ₹1980. What is the profit (in ₹)?
40. 40.A shopkeeper buys a watch for ₹950 and sells it for ₹850. What is the loss (in ₹)?

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