Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 704 · 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 30% of 500?
2. 2.The price of a bus pass changed from ₹100 to ₹120. What is the percentage increase?
3. 3.What is the amount (principal + simple interest) on ₹2200 at 11% per year for 5 years (in ₹)?
4. 4.A shopkeeper buys a sewing machine for ₹2100 and sells it for ₹2220. What is the profit (in ₹)?
5. 5.A cooler bought for ₹2100 is sold for ₹2415. What is the profit per cent?
6. 6.A cricket kit costs ₹3900. It is sold at a 20% loss. What is the selling price (in ₹)?
7. 7.A mobile phone costs ₹3400. It is sold at a 50% profit. What is the selling price (in ₹)?
8. 8.A sewing machine bought for ₹200 is sold for ₹240. What is the profit per cent?
9. 9.What is the amount (principal + simple interest) on ₹4200 at 5% per year for 1 year (in ₹)?
10. 10.The price of a pair of shoes changed from ₹50 to ₹49. What is the percentage decrease?
11. 11.What is the simple interest on ₹1400 at 8% per year for 5 years (in ₹)?
12. 12.What is 30% of 880?
13. 13.What is the simple interest on ₹3100 at 4% per year for 3 years (in ₹)?
14. 14.A fan costs ₹1900. It is sold at a 50% loss. What is the selling price (in ₹)?
15. 15.What is the amount (principal + simple interest) on ₹10000 at 7% per year for 1 year (in ₹)?
16. 16.What is the simple interest on ₹9500 at 11% per year for 1 year (in ₹)?
17. 17.A shopkeeper buys a cricket kit for ₹250 and sells it for ₹70. What is the loss (in ₹)?
18. 18.What is the simple interest on ₹9300 at 2% per year for 1 year (in ₹)?
19. 19.What is 20% of 220?
20. 20.A fan costs ₹1300. It is sold at a 20% profit. What is the selling price (in ₹)?
21. 21.The price of a cricket ball changed from ₹100 to ₹20. What is the percentage decrease?
22. 22.A table costs ₹2000. It is sold at a 30% profit. What is the selling price (in ₹)?
23. 23.What is the amount (principal + simple interest) on ₹9600 at 3% per year for 4 years (in ₹)?
24. 24.A watch bought for ₹700 is sold for ₹784. What is the profit per cent?
25. 25.What is the amount (principal + simple interest) on ₹9500 at 12% per year for 2 years (in ₹)?
26. 26.A shopkeeper buys a fan for ₹1000 and sells it for ₹1110. What is the profit (in ₹)?
27. 27.A cycle costs ₹2400. It is sold at a 12% profit. What is the selling price (in ₹)?
28. 28.A shopkeeper buys a sewing machine for ₹650 and sells it for ₹490. What is the loss (in ₹)?
29. 29.The price of a pair of shoes changed from ₹25 to ₹20. What is the percentage decrease?
30. 30.The price of a school bag changed from ₹250 to ₹255. What is the percentage increase?
31. 31.A fan costs ₹1900. It is sold at a 12% profit. What is the selling price (in ₹)?
32. 32.What is 70% of 800?
33. 33.The price of a pair of shoes changed from ₹20 to ₹15. What is the percentage decrease?
34. 34.What is 95% of 760?
35. 35.A shopkeeper buys a cooler for ₹1450 and sells it for ₹1480. What is the profit (in ₹)?
36. 36.A shopkeeper buys a sewing machine for ₹650 and sells it for ₹600. What is the loss (in ₹)?
37. 37.What is 80% of 960?
38. 38.What is the simple interest on ₹3400 at 11% per year for 5 years (in ₹)?
39. 39.What is the amount (principal + simple interest) on ₹2800 at 12% per year for 1 year (in ₹)?
40. 40.A shopkeeper buys a cooler for ₹2400 and sells it for ₹2690. What is the profit (in ₹)?

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