Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 491 · 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.A cooler costs ₹800. It is sold at a 25% loss. What is the selling price (in ₹)?
2. 2.A shopkeeper buys a cooler for ₹2800 and sells it for ₹2900. What is the profit (in ₹)?
3. 3.A shopkeeper buys a cooler for ₹1100 and sells it for ₹910. What is the loss (in ₹)?
4. 4.The price of a box of mangoes changed from ₹500 to ₹800. What is the percentage increase?
5. 5.A shopkeeper buys a cooler for ₹2400 and sells it for ₹2420. What is the profit (in ₹)?
6. 6.What is the simple interest on ₹9200 at 6% per year for 3 years (in ₹)?
7. 7.The price of a box of mangoes changed from ₹400 to ₹420. What is the percentage increase?
8. 8.What is the simple interest on ₹6200 at 5% per year for 4 years (in ₹)?
9. 9.The price of a cricket ball changed from ₹20 to ₹24. What is the percentage increase?
10. 10.What is the amount (principal + simple interest) on ₹8800 at 10% per year for 3 years (in ₹)?
11. 11.What is 55% of 480?
12. 12.What is the simple interest on ₹9100 at 10% per year for 1 year (in ₹)?
13. 13.A shopkeeper buys a watch for ₹750 and sells it for ₹1000. What is the profit (in ₹)?
14. 14.What is the simple interest on ₹6900 at 9% per year for 5 years (in ₹)?
15. 15.What is 10% of 200?
16. 16.The price of a box of mangoes changed from ₹400 to ₹404. What is the percentage increase?
17. 17.The price of a cricket ball changed from ₹20 to ₹10. What is the percentage decrease?
18. 18.The price of a bus pass changed from ₹80 to ₹8. What is the percentage decrease?
19. 19.What is the simple interest on ₹7400 at 2% per year for 2 years (in ₹)?
20. 20.What is 5% of 180?
21. 21.A sewing machine bought for ₹1400 is sold for ₹1750. What is the profit per cent?
22. 22.A sewing machine costs ₹700. It is sold at a 20% loss. What is the selling price (in ₹)?
23. 23.The price of a box of mangoes changed from ₹25 to ₹40. What is the percentage increase?
24. 24.A fan bought for ₹800 is sold for ₹600. What is the loss per cent?
25. 25.What is the amount (principal + simple interest) on ₹2900 at 2% per year for 4 years (in ₹)?
26. 26.The price of a school bag changed from ₹400 to ₹300. What is the percentage decrease?
27. 27.What is the amount (principal + simple interest) on ₹4800 at 7% per year for 1 year (in ₹)?
28. 28.A cooler bought for ₹500 is sold for ₹550. What is the profit per cent?
29. 29.What is the simple interest on ₹4100 at 8% per year for 1 year (in ₹)?
30. 30.A mobile phone costs ₹1000. It is sold at a 15% profit. What is the selling price (in ₹)?
31. 31.A shopkeeper buys a cooler for ₹600 and sells it for ₹750. What is the profit (in ₹)?
32. 32.What is the amount (principal + simple interest) on ₹5800 at 12% per year for 3 years (in ₹)?
33. 33.A cricket kit bought for ₹1200 is sold for ₹960. What is the loss per cent?
34. 34.A cooler bought for ₹1200 is sold for ₹1140. What is the loss per cent?
35. 35.What is the simple interest on ₹8300 at 4% per year for 3 years (in ₹)?
36. 36.A fan bought for ₹3500 is sold for ₹2450. What is the loss per cent?
37. 37.The price of a water bottle changed from ₹400 to ₹40. What is the percentage decrease?
38. 38.What is 55% of 660?
39. 39.What is the simple interest on ₹2100 at 4% per year for 3 years (in ₹)?
40. 40.A fan bought for ₹200 is sold for ₹160. What is the loss per cent?

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