Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 814 · 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 mobile phone costs ₹1600. It is sold at a 25% profit. What is the selling price (in ₹)?
2. 2.What is the amount (principal + simple interest) on ₹6100 at 10% per year for 1 year (in ₹)?
3. 3.What is 55% of 980?
4. 4.A sewing machine costs ₹1600. It is sold at a 30% profit. What is the selling price (in ₹)?
5. 5.What is the simple interest on ₹5900 at 9% per year for 4 years (in ₹)?
6. 6.A watch costs ₹200. It is sold at a 30% loss. What is the selling price (in ₹)?
7. 7.A cricket kit bought for ₹1700 is sold for ₹1530. What is the loss per cent?
8. 8.A shopkeeper buys a fan for ₹750 and sells it for ₹620. What is the loss (in ₹)?
9. 9.A cricket kit bought for ₹3400 is sold for ₹3060. What is the loss per cent?
10. 10.The price of a bus pass changed from ₹250 to ₹225. What is the percentage decrease?
11. 11.What is the simple interest on ₹3800 at 10% per year for 1 year (in ₹)?
12. 12.What is the simple interest on ₹2600 at 10% per year for 3 years (in ₹)?
13. 13.A table bought for ₹4000 is sold for ₹4480. What is the profit per cent?
14. 14.What is the amount (principal + simple interest) on ₹6100 at 2% per year for 2 years (in ₹)?
15. 15.A cooler costs ₹400. It is sold at a 5% loss. What is the selling price (in ₹)?
16. 16.What is the simple interest on ₹1100 at 7% per year for 5 years (in ₹)?
17. 17.A sewing machine bought for ₹3800 is sold for ₹4560. What is the profit per cent?
18. 18.The price of a school bag changed from ₹250 to ₹475. What is the percentage increase?
19. 19.What is the simple interest on ₹1300 at 12% per year for 1 year (in ₹)?
20. 20.The price of a box of mangoes changed from ₹200 to ₹350. What is the percentage increase?
21. 21.A mobile phone bought for ₹500 is sold for ₹650. What is the profit per cent?
22. 22.What is the amount (principal + simple interest) on ₹5100 at 6% per year for 4 years (in ₹)?
23. 23.What is the amount (principal + simple interest) on ₹3000 at 6% per year for 2 years (in ₹)?
24. 24.What is 5% of 900?
25. 25.A shopkeeper buys a cooler for ₹2950 and sells it for ₹3090. What is the profit (in ₹)?
26. 26.A shopkeeper buys a sewing machine for ₹2600 and sells it for ₹2790. What is the profit (in ₹)?
27. 27.What is 85% of 420?
28. 28.The price of a school bag changed from ₹80 to ₹64. What is the percentage decrease?
29. 29.What is the simple interest on ₹5400 at 10% per year for 4 years (in ₹)?
30. 30.A shopkeeper buys a watch for ₹1700 and sells it for ₹1720. What is the profit (in ₹)?
31. 31.What is the amount (principal + simple interest) on ₹8700 at 4% per year for 1 year (in ₹)?
32. 32.What is the simple interest on ₹3900 at 2% per year for 3 years (in ₹)?
33. 33.A fan bought for ₹1100 is sold for ₹968. What is the loss per cent?
34. 34.What is the simple interest on ₹8900 at 11% per year for 1 year (in ₹)?
35. 35.What is 80% of 100?
36. 36.A cycle bought for ₹1500 is sold for ₹1350. What is the loss per cent?
37. 37.The price of a box of mangoes changed from ₹25 to ₹35. What is the percentage increase?
38. 38.The price of a water bottle changed from ₹80 to ₹112. What is the percentage increase?
39. 39.What is 10% of 400?
40. 40.The price of a cricket ball changed from ₹100 to ₹130. What is the percentage increase?

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