Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 633 · 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 the simple interest on ₹8600 at 3% per year for 4 years (in ₹)?
2. 2.A shopkeeper buys a cycle for ₹2650 and sells it for ₹2900. What is the profit (in ₹)?
3. 3.A shopkeeper buys a table for ₹2650 and sells it for ₹2780. What is the profit (in ₹)?
4. 4.A mobile phone costs ₹2800. It is sold at a 15% profit. What is the selling price (in ₹)?
5. 5.The price of a school bag changed from ₹20 to ₹28. What is the percentage increase?
6. 6.The price of a box of mangoes changed from ₹25 to ₹35. What is the percentage increase?
7. 7.What is the simple interest on ₹7000 at 12% per year for 4 years (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹700 at 5% per year for 3 years (in ₹)?
9. 9.The price of a bus pass changed from ₹200 to ₹380. What is the percentage increase?
10. 10.The price of a school bag changed from ₹80 to ₹84. What is the percentage increase?
11. 11.A shopkeeper buys a watch for ₹900 and sells it for ₹970. What is the profit (in ₹)?
12. 12.What is the amount (principal + simple interest) on ₹6200 at 3% per year for 5 years (in ₹)?
13. 13.A mobile phone costs ₹3400. It is sold at a 50% profit. What is the selling price (in ₹)?
14. 14.A shopkeeper buys a mobile phone for ₹450 and sells it for ₹660. What is the profit (in ₹)?
15. 15.The price of a cricket ball changed from ₹20 to ₹19. What is the percentage decrease?
16. 16.A shopkeeper buys a fan for ₹1850 and sells it for ₹2030. What is the profit (in ₹)?
17. 17.The price of a water bottle changed from ₹100 to ₹70. What is the percentage decrease?
18. 18.What is the amount (principal + simple interest) on ₹7000 at 2% per year for 3 years (in ₹)?
19. 19.What is 70% of 100?
20. 20.A sewing machine costs ₹1300. It is sold at a 30% loss. What is the selling price (in ₹)?
21. 21.A watch bought for ₹2400 is sold for ₹2688. What is the profit per cent?
22. 22.What is 40% of 640?
23. 23.A cycle bought for ₹1700 is sold for ₹1530. What is the loss per cent?
24. 24.What is 10% of 340?
25. 25.A fan bought for ₹1500 is sold for ₹2100. What is the profit per cent?
26. 26.A cricket kit costs ₹600. It is sold at a 40% loss. What is the selling price (in ₹)?
27. 27.A shopkeeper buys a cycle for ₹3000 and sells it for ₹2750. What is the loss (in ₹)?
28. 28.A fan bought for ₹3900 is sold for ₹4095. What is the profit per cent?
29. 29.A shopkeeper buys a sewing machine for ₹2950 and sells it for ₹3020. What is the profit (in ₹)?
30. 30.The price of a water bottle changed from ₹80 to ₹64. What is the percentage decrease?
31. 31.What is the simple interest on ₹4900 at 12% per year for 5 years (in ₹)?
32. 32.A table bought for ₹200 is sold for ₹180. What is the loss per cent?
33. 33.A cycle bought for ₹3900 is sold for ₹2925. What is the loss per cent?
34. 34.What is the amount (principal + simple interest) on ₹1300 at 5% per year for 2 years (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹3300 at 9% per year for 1 year (in ₹)?
36. 36.A cycle bought for ₹300 is sold for ₹450. What is the profit per cent?
37. 37.What is 80% of 100?
38. 38.What is the amount (principal + simple interest) on ₹4100 at 6% per year for 2 years (in ₹)?
39. 39.What is the simple interest on ₹9600 at 5% per year for 3 years (in ₹)?
40. 40.A table bought for ₹1000 is sold for ₹700. What is the loss per cent?

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