Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 509 · 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 ₹8400 at 2% per year for 2 years (in ₹)?
2. 2.A sewing machine costs ₹800. It is sold at a 15% loss. What is the selling price (in ₹)?
3. 3.A shopkeeper buys a watch for ₹1300 and sells it for ₹1060. What is the loss (in ₹)?
4. 4.A sewing machine bought for ₹1300 is sold for ₹1950. What is the profit per cent?
5. 5.A sewing machine bought for ₹2200 is sold for ₹2464. What is the profit per cent?
6. 6.A cricket kit costs ₹2900. It is sold at a 12% profit. What is the selling price (in ₹)?
7. 7.A cooler bought for ₹3700 is sold for ₹4625. What is the profit per cent?
8. 8.What is 80% of 300?
9. 9.A fan costs ₹1000. It is sold at a 12% profit. What is the selling price (in ₹)?
10. 10.A watch costs ₹800. It is sold at a 50% loss. What is the selling price (in ₹)?
11. 11.What is 15% of 1000?
12. 12.A shopkeeper buys a mobile phone for ₹2950 and sells it for ₹2970. What is the profit (in ₹)?
13. 13.What is 40% of 720?
14. 14.A table bought for ₹2600 is sold for ₹2730. What is the profit per cent?
15. 15.What is 10% of 400?
16. 16.What is the simple interest on ₹1200 at 10% per year for 4 years (in ₹)?
17. 17.What is the amount (principal + simple interest) on ₹4700 at 12% per year for 2 years (in ₹)?
18. 18.A shopkeeper buys a cycle for ₹2100 and sells it for ₹1950. What is the loss (in ₹)?
19. 19.The price of a school bag changed from ₹20 to ₹32. What is the percentage increase?
20. 20.The price of a bus pass changed from ₹80 to ₹88. What is the percentage increase?
21. 21.A mobile phone bought for ₹2900 is sold for ₹4350. What is the profit per cent?
22. 22.A table bought for ₹3700 is sold for ₹3885. What is the profit per cent?
23. 23.What is the amount (principal + simple interest) on ₹3900 at 3% per year for 3 years (in ₹)?
24. 24.What is 85% of 420?
25. 25.A shopkeeper buys a table for ₹1700 and sells it for ₹1840. What is the profit (in ₹)?
26. 26.What is 10% of 700?
27. 27.The price of a box of mangoes changed from ₹20 to ₹8. What is the percentage decrease?
28. 28.The price of a box of mangoes changed from ₹400 to ₹600. What is the percentage increase?
29. 29.A cooler bought for ₹600 is sold for ₹900. What is the profit per cent?
30. 30.A table costs ₹2900. It is sold at a 10% profit. What is the selling price (in ₹)?
31. 31.A fan bought for ₹3300 is sold for ₹1650. What is the loss per cent?
32. 32.A shopkeeper buys a watch for ₹900 and sells it for ₹990. What is the profit (in ₹)?
33. 33.A shopkeeper buys a cycle for ₹200 and sells it for ₹230. What is the profit (in ₹)?
34. 34.A shopkeeper buys a cooler for ₹1000 and sells it for ₹1030. What is the profit (in ₹)?
35. 35.A shopkeeper buys a fan for ₹2500 and sells it for ₹2780. What is the profit (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹2200 at 12% per year for 1 year (in ₹)?
37. 37.The price of a pair of shoes changed from ₹40 to ₹72. What is the percentage increase?
38. 38.What is the amount (principal + simple interest) on ₹7300 at 3% per year for 4 years (in ₹)?
39. 39.The price of a water bottle changed from ₹40 to ₹48. What is the percentage increase?
40. 40.A shopkeeper buys a fan for ₹900 and sells it for ₹1030. What is the profit (in ₹)?

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