Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 631 · 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 bought for ₹900 is sold for ₹1350. What is the profit per cent?
2. 2.What is 45% of 780?
3. 3.A shopkeeper buys a table for ₹1200 and sells it for ₹1280. What is the profit (in ₹)?
4. 4.A mobile phone costs ₹1000. It is sold at a 10% profit. What is the selling price (in ₹)?
5. 5.The price of a school bag changed from ₹500 to ₹505. What is the percentage increase?
6. 6.What is 35% of 300?
7. 7.A cycle bought for ₹1400 is sold for ₹2100. What is the profit per cent?
8. 8.What is the amount (principal + simple interest) on ₹2200 at 5% per year for 1 year (in ₹)?
9. 9.What is 15% of 320?
10. 10.What is the simple interest on ₹2000 at 2% per year for 3 years (in ₹)?
11. 11.What is the amount (principal + simple interest) on ₹9300 at 10% per year for 1 year (in ₹)?
12. 12.A shopkeeper buys a mobile phone for ₹700 and sells it for ₹910. What is the profit (in ₹)?
13. 13.What is 15% of 620?
14. 14.What is 10% of 420?
15. 15.What is the simple interest on ₹5100 at 3% per year for 3 years (in ₹)?
16. 16.The price of a bus pass changed from ₹100 to ₹80. What is the percentage decrease?
17. 17.A cycle costs ₹700. It is sold at a 30% profit. What is the selling price (in ₹)?
18. 18.A shopkeeper buys a table for ₹1650 and sells it for ₹1880. What is the profit (in ₹)?
19. 19.A shopkeeper buys a watch for ₹1900 and sells it for ₹2140. What is the profit (in ₹)?
20. 20.What is the amount (principal + simple interest) on ₹7600 at 2% per year for 4 years (in ₹)?
21. 21.What is the simple interest on ₹6300 at 8% per year for 2 years (in ₹)?
22. 22.What is 95% of 420?
23. 23.What is 5% of 520?
24. 24.What is 55% of 920?
25. 25.The price of a cricket ball changed from ₹250 to ₹350. What is the percentage increase?
26. 26.A mobile phone bought for ₹1100 is sold for ₹550. What is the loss per cent?
27. 27.A watch bought for ₹900 is sold for ₹945. What is the profit per cent?
28. 28.A shopkeeper buys a cycle for ₹950 and sells it for ₹770. What is the loss (in ₹)?
29. 29.A cooler costs ₹800. It is sold at a 30% loss. What is the selling price (in ₹)?
30. 30.A shopkeeper buys a cricket kit for ₹850 and sells it for ₹590. What is the loss (in ₹)?
31. 31.What is the simple interest on ₹3800 at 4% per year for 5 years (in ₹)?
32. 32.A table costs ₹3100. It is sold at a 50% profit. What is the selling price (in ₹)?
33. 33.What is the amount (principal + simple interest) on ₹3700 at 9% per year for 4 years (in ₹)?
34. 34.A table costs ₹2600. It is sold at a 50% loss. What is the selling price (in ₹)?
35. 35.A shopkeeper buys a cooler for ₹1200 and sells it for ₹1340. What is the profit (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹1100 at 10% per year for 1 year (in ₹)?
37. 37.What is 45% of 340?
38. 38.What is the amount (principal + simple interest) on ₹5600 at 9% per year for 2 years (in ₹)?
39. 39.What is 75% of 340?
40. 40.A mobile phone bought for ₹500 is sold for ₹650. What is the profit per cent?

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