Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 103 · 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 shopkeeper buys a sewing machine for ₹2500 and sells it for ₹2480. What is the loss (in ₹)?
2. 2.The price of a pair of shoes changed from ₹500 to ₹250. What is the percentage decrease?
3. 3.The price of a school bag changed from ₹25 to ₹35. What is the percentage increase?
4. 4.What is 85% of 100?
5. 5.What is 35% of 200?
6. 6.What is the amount (principal + simple interest) on ₹6100 at 3% per year for 3 years (in ₹)?
7. 7.What is 80% of 960?
8. 8.What is the simple interest on ₹3100 at 6% per year for 4 years (in ₹)?
9. 9.What is 25% of 780?
10. 10.A shopkeeper buys a cycle for ₹2900 and sells it for ₹2940. What is the profit (in ₹)?
11. 11.What is 15% of 600?
12. 12.A shopkeeper buys a cycle for ₹2550 and sells it for ₹2640. What is the profit (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹6700 at 2% per year for 2 years (in ₹)?
14. 14.A cooler costs ₹3500. It is sold at a 40% profit. What is the selling price (in ₹)?
15. 15.The price of a box of mangoes changed from ₹25 to ₹10. What is the percentage decrease?
16. 16.The price of a cricket ball changed from ₹500 to ₹505. What is the percentage increase?
17. 17.A shopkeeper buys a cricket kit for ₹1450 and sells it for ₹1540. What is the profit (in ₹)?
18. 18.What is the simple interest on ₹8600 at 3% per year for 4 years (in ₹)?
19. 19.What is the simple interest on ₹6700 at 8% per year for 2 years (in ₹)?
20. 20.What is 60% of 60?
21. 21.A sewing machine bought for ₹1600 is sold for ₹1920. What is the profit per cent?
22. 22.A mobile phone bought for ₹500 is sold for ₹425. What is the loss per cent?
23. 23.A shopkeeper buys a sewing machine for ₹2050 and sells it for ₹2100. What is the profit (in ₹)?
24. 24.The price of a box of mangoes changed from ₹200 to ₹300. What is the percentage increase?
25. 25.What is the simple interest on ₹8600 at 4% per year for 1 year (in ₹)?
26. 26.What is the simple interest on ₹4200 at 8% per year for 2 years (in ₹)?
27. 27.What is 90% of 180?
28. 28.The price of a school bag changed from ₹20 to ₹28. What is the percentage increase?
29. 29.A fan bought for ₹3500 is sold for ₹3325. What is the loss per cent?
30. 30.What is the simple interest on ₹7900 at 5% per year for 2 years (in ₹)?
31. 31.What is the amount (principal + simple interest) on ₹5600 at 5% per year for 1 year (in ₹)?
32. 32.A watch bought for ₹1200 is sold for ₹1680. What is the profit per cent?
33. 33.A shopkeeper buys a mobile phone for ₹950 and sells it for ₹860. What is the loss (in ₹)?
34. 34.A cricket kit bought for ₹900 is sold for ₹1008. What is the profit per cent?
35. 35.A shopkeeper buys a table for ₹400 and sells it for ₹150. What is the loss (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹1300 at 10% per year for 2 years (in ₹)?
37. 37.A shopkeeper buys a cricket kit for ₹900 and sells it for ₹1160. What is the profit (in ₹)?
38. 38.A shopkeeper buys a watch for ₹3000 and sells it for ₹2790. What is the loss (in ₹)?
39. 39.What is the amount (principal + simple interest) on ₹2200 at 2% per year for 5 years (in ₹)?
40. 40.The price of a box of mangoes changed from ₹100 to ₹95. What is the percentage decrease?

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