Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 61 · 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 amount (principal + simple interest) on ₹1400 at 9% per year for 3 years (in ₹)?
2. 2.What is 15% of 620?
3. 3.A shopkeeper buys a sewing machine for ₹1650 and sells it for ₹1410. What is the loss (in ₹)?
4. 4.The price of a bus pass changed from ₹20 to ₹12. What is the percentage decrease?
5. 5.What is the amount (principal + simple interest) on ₹6300 at 6% per year for 5 years (in ₹)?
6. 6.A cooler costs ₹4000. It is sold at a 10% loss. What is the selling price (in ₹)?
7. 7.A cycle bought for ₹1900 is sold for ₹2375. What is the profit per cent?
8. 8.A sewing machine costs ₹2200. It is sold at a 20% profit. What is the selling price (in ₹)?
9. 9.The price of a water bottle changed from ₹50 to ₹70. What is the percentage increase?
10. 10.A shopkeeper buys a watch for ₹2750 and sells it for ₹2780. What is the profit (in ₹)?
11. 11.The price of a bus pass changed from ₹200 to ₹198. What is the percentage decrease?
12. 12.A watch bought for ₹4000 is sold for ₹6000. What is the profit per cent?
13. 13.What is the amount (principal + simple interest) on ₹2500 at 6% per year for 1 year (in ₹)?
14. 14.The price of a water bottle changed from ₹20 to ₹16. What is the percentage decrease?
15. 15.What is the simple interest on ₹2800 at 12% per year for 2 years (in ₹)?
16. 16.What is the simple interest on ₹7700 at 6% per year for 5 years (in ₹)?
17. 17.A table bought for ₹3300 is sold for ₹2904. What is the loss per cent?
18. 18.The price of a bus pass changed from ₹400 to ₹300. What is the percentage decrease?
19. 19.What is 30% of 160?
20. 20.A cricket kit bought for ₹1400 is sold for ₹2100. What is the profit per cent?
21. 21.A shopkeeper buys a cooler for ₹1250 and sells it for ₹1440. What is the profit (in ₹)?
22. 22.A sewing machine costs ₹3500. It is sold at a 25% profit. What is the selling price (in ₹)?
23. 23.What is the simple interest on ₹1000 at 8% per year for 2 years (in ₹)?
24. 24.The price of a pair of shoes changed from ₹400 to ₹392. What is the percentage decrease?
25. 25.What is the simple interest on ₹8400 at 9% per year for 3 years (in ₹)?
26. 26.A shopkeeper buys a cricket kit for ₹600 and sells it for ₹830. What is the profit (in ₹)?
27. 27.A cooler bought for ₹500 is sold for ₹425. What is the loss per cent?
28. 28.A watch bought for ₹1100 is sold for ₹1650. What is the profit per cent?
29. 29.The price of a water bottle changed from ₹250 to ₹350. What is the percentage increase?
30. 30.What is the simple interest on ₹6900 at 6% per year for 5 years (in ₹)?
31. 31.A table bought for ₹3800 is sold for ₹3420. What is the loss per cent?
32. 32.The price of a water bottle changed from ₹400 to ₹640. What is the percentage increase?
33. 33.A watch costs ₹3000. It is sold at a 12% profit. What is the selling price (in ₹)?
34. 34.A sewing machine bought for ₹900 is sold for ₹675. What is the loss per cent?
35. 35.What is 15% of 600?
36. 36.A table bought for ₹3800 is sold for ₹4180. What is the profit per cent?
37. 37.A watch bought for ₹1400 is sold for ₹1680. What is the profit per cent?
38. 38.A cooler costs ₹2100. It is sold at a 12% profit. What is the selling price (in ₹)?
39. 39.A sewing machine costs ₹2800. It is sold at a 15% profit. What is the selling price (in ₹)?
40. 40.What is the amount (principal + simple interest) on ₹7300 at 8% per year for 3 years (in ₹)?

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