Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 408 · 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 20% of 800?
2. 2.What is 15% of 980?
3. 3.What is 40% of 980?
4. 4.What is the simple interest on ₹3100 at 11% per year for 5 years (in ₹)?
5. 5.What is the simple interest on ₹8900 at 7% per year for 5 years (in ₹)?
6. 6.A cycle bought for ₹400 is sold for ₹380. What is the loss per cent?
7. 7.The price of a school bag changed from ₹20 to ₹21. What is the percentage increase?
8. 8.A mobile phone bought for ₹500 is sold for ₹650. What is the profit per cent?
9. 9.A shopkeeper buys a cricket kit for ₹2150 and sells it for ₹2110. What is the loss (in ₹)?
10. 10.What is the simple interest on ₹6400 at 2% per year for 2 years (in ₹)?
11. 11.The price of a water bottle changed from ₹250 to ₹245. What is the percentage decrease?
12. 12.What is 20% of 400?
13. 13.The price of a school bag changed from ₹20 to ₹12. What is the percentage decrease?
14. 14.What is the amount (principal + simple interest) on ₹4900 at 9% per year for 4 years (in ₹)?
15. 15.What is 45% of 100?
16. 16.What is the simple interest on ₹9800 at 2% per year for 1 year (in ₹)?
17. 17.A fan bought for ₹700 is sold for ₹770. What is the profit per cent?
18. 18.A cricket kit costs ₹1300. It is sold at a 15% profit. What is the selling price (in ₹)?
19. 19.A table costs ₹1900. It is sold at a 20% profit. What is the selling price (in ₹)?
20. 20.What is the amount (principal + simple interest) on ₹9900 at 8% per year for 3 years (in ₹)?
21. 21.What is the amount (principal + simple interest) on ₹8100 at 3% per year for 5 years (in ₹)?
22. 22.A shopkeeper buys a watch for ₹2350 and sells it for ₹2360. What is the profit (in ₹)?
23. 23.The price of a school bag changed from ₹80 to ₹128. What is the percentage increase?
24. 24.The price of a pair of shoes changed from ₹400 to ₹40. What is the percentage decrease?
25. 25.What is the simple interest on ₹9900 at 7% per year for 2 years (in ₹)?
26. 26.A watch bought for ₹1200 is sold for ₹1440. What is the profit per cent?
27. 27.A mobile phone bought for ₹2300 is sold for ₹2415. What is the profit per cent?
28. 28.A shopkeeper buys a cricket kit for ₹1450 and sells it for ₹1270. What is the loss (in ₹)?
29. 29.What is 30% of 700?
30. 30.A shopkeeper buys a fan for ₹2300 and sells it for ₹2530. What is the profit (in ₹)?
31. 31.What is the simple interest on ₹8100 at 4% per year for 1 year (in ₹)?
32. 32.A table bought for ₹1000 is sold for ₹1300. What is the profit per cent?
33. 33.A table costs ₹3500. It is sold at a 50% loss. What is the selling price (in ₹)?
34. 34.A table bought for ₹2300 is sold for ₹1150. What is the loss per cent?
35. 35.The price of a box of mangoes changed from ₹40 to ₹36. What is the percentage decrease?
36. 36.What is 20% of 640?
37. 37.A table costs ₹200. It is sold at a 30% loss. What is the selling price (in ₹)?
38. 38.A shopkeeper buys a table for ₹1100 and sells it for ₹940. What is the loss (in ₹)?
39. 39.A watch costs ₹1300. It is sold at a 10% loss. What is the selling price (in ₹)?
40. 40.What is 45% of 320?

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