Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 334 · 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 sewing machine costs ₹2800. It is sold at a 5% loss. What is the selling price (in ₹)?
2. 2.A shopkeeper buys a sewing machine for ₹1600 and sells it for ₹1660. What is the profit (in ₹)?
3. 3.The price of a box of mangoes changed from ₹20 to ₹24. What is the percentage increase?
4. 4.The price of a box of mangoes changed from ₹80 to ₹112. What is the percentage increase?
5. 5.A table bought for ₹2600 is sold for ₹1820. What is the loss per cent?
6. 6.A table bought for ₹1400 is sold for ₹1190. What is the loss per cent?
7. 7.What is 80% of 380?
8. 8.A watch costs ₹1300. It is sold at a 40% profit. What is the selling price (in ₹)?
9. 9.What is the amount (principal + simple interest) on ₹500 at 4% per year for 4 years (in ₹)?
10. 10.What is 40% of 220?
11. 11.A cooler costs ₹3600. It is sold at a 10% loss. What is the selling price (in ₹)?
12. 12.A shopkeeper buys a table for ₹2050 and sells it for ₹2230. What is the profit (in ₹)?
13. 13.The price of a bus pass changed from ₹20 to ₹36. What is the percentage increase?
14. 14.A shopkeeper buys a mobile phone for ₹2250 and sells it for ₹2150. What is the loss (in ₹)?
15. 15.A shopkeeper buys a cooler for ₹1800 and sells it for ₹1690. What is the loss (in ₹)?
16. 16.What is the simple interest on ₹6000 at 11% per year for 1 year (in ₹)?
17. 17.What is 75% of 140?
18. 18.A shopkeeper buys a cooler for ₹650 and sells it for ₹430. What is the loss (in ₹)?
19. 19.What is 55% of 240?
20. 20.What is 10% of 580?
21. 21.A shopkeeper buys a sewing machine for ₹900 and sells it for ₹640. What is the loss (in ₹)?
22. 22.What is 20% of 980?
23. 23.The price of a school bag changed from ₹400 to ₹300. What is the percentage decrease?
24. 24.A table costs ₹3800. It is sold at a 30% loss. What is the selling price (in ₹)?
25. 25.What is the amount (principal + simple interest) on ₹3900 at 2% per year for 5 years (in ₹)?
26. 26.What is 85% of 80?
27. 27.What is the simple interest on ₹5200 at 4% per year for 2 years (in ₹)?
28. 28.The price of a school bag changed from ₹500 to ₹200. What is the percentage decrease?
29. 29.What is the simple interest on ₹4200 at 10% per year for 1 year (in ₹)?
30. 30.The price of a school bag changed from ₹200 to ₹20. What is the percentage decrease?
31. 31.What is 55% of 360?
32. 32.A shopkeeper buys a sewing machine for ₹1250 and sells it for ₹1480. What is the profit (in ₹)?
33. 33.What is the simple interest on ₹5600 at 10% per year for 1 year (in ₹)?
34. 34.What is the amount (principal + simple interest) on ₹3400 at 11% per year for 5 years (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹3400 at 8% per year for 5 years (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹3000 at 8% per year for 2 years (in ₹)?
37. 37.The price of a cricket ball changed from ₹500 to ₹700. What is the percentage increase?
38. 38.What is 60% of 260?
39. 39.A table costs ₹1600. It is sold at a 5% loss. What is the selling price (in ₹)?
40. 40.The price of a cricket ball changed from ₹100 to ₹102. What is the percentage increase?

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