Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 160 · 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 ₹1900 at 10% per year for 1 year (in ₹)?
2. 2.The price of a box of mangoes changed from ₹25 to ₹5. What is the percentage decrease?
3. 3.What is the simple interest on ₹9700 at 12% per year for 3 years (in ₹)?
4. 4.What is the simple interest on ₹500 at 3% per year for 4 years (in ₹)?
5. 5.A shopkeeper buys a cooler for ₹350 and sells it for ₹80. What is the loss (in ₹)?
6. 6.What is the simple interest on ₹4000 at 3% per year for 5 years (in ₹)?
7. 7.The price of a school bag changed from ₹50 to ₹60. What is the percentage increase?
8. 8.What is the amount (principal + simple interest) on ₹2100 at 4% per year for 4 years (in ₹)?
9. 9.A cricket kit bought for ₹1200 is sold for ₹1680. What is the profit per cent?
10. 10.The price of a bus pass changed from ₹40 to ₹76. What is the percentage increase?
11. 11.The price of a pair of shoes changed from ₹80 to ₹96. What is the percentage increase?
12. 12.What is the simple interest on ₹7600 at 11% per year for 1 year (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹1500 at 10% per year for 2 years (in ₹)?
14. 14.A shopkeeper buys a table for ₹1550 and sells it for ₹1670. What is the profit (in ₹)?
15. 15.A shopkeeper buys a table for ₹650 and sells it for ₹920. What is the profit (in ₹)?
16. 16.A shopkeeper buys a cooler for ₹350 and sells it for ₹290. What is the loss (in ₹)?
17. 17.What is the simple interest on ₹6600 at 2% per year for 1 year (in ₹)?
18. 18.What is the simple interest on ₹7800 at 12% per year for 1 year (in ₹)?
19. 19.A watch costs ₹1900. It is sold at a 12% profit. What is the selling price (in ₹)?
20. 20.A shopkeeper buys a cycle for ₹750 and sells it for ₹830. What is the profit (in ₹)?
21. 21.A fan bought for ₹1700 is sold for ₹2125. What is the profit per cent?
22. 22.What is the simple interest on ₹700 at 9% per year for 1 year (in ₹)?
23. 23.What is the simple interest on ₹700 at 4% per year for 4 years (in ₹)?
24. 24.A shopkeeper buys a cooler for ₹1250 and sells it for ₹990. What is the loss (in ₹)?
25. 25.A shopkeeper buys a sewing machine for ₹2550 and sells it for ₹2540. What is the loss (in ₹)?
26. 26.A fan costs ₹3300. It is sold at a 20% profit. What is the selling price (in ₹)?
27. 27.A shopkeeper buys a cooler for ₹2050 and sells it for ₹2170. What is the profit (in ₹)?
28. 28.The price of a box of mangoes changed from ₹80 to ₹40. What is the percentage decrease?
29. 29.What is the amount (principal + simple interest) on ₹6500 at 12% per year for 3 years (in ₹)?
30. 30.What is the amount (principal + simple interest) on ₹7900 at 2% per year for 2 years (in ₹)?
31. 31.A shopkeeper buys a sewing machine for ₹1600 and sells it for ₹1530. What is the loss (in ₹)?
32. 32.A shopkeeper buys a cooler for ₹1050 and sells it for ₹1200. What is the profit (in ₹)?
33. 33.The price of a water bottle changed from ₹500 to ₹650. What is the percentage increase?
34. 34.What is the simple interest on ₹5300 at 12% per year for 5 years (in ₹)?
35. 35.What is 45% of 980?
36. 36.A fan bought for ₹1700 is sold for ₹850. What is the loss per cent?
37. 37.The price of a bus pass changed from ₹20 to ₹35. What is the percentage increase?
38. 38.A mobile phone bought for ₹200 is sold for ₹250. What is the profit per cent?
39. 39.What is 30% of 160?
40. 40.A cricket kit costs ₹300. It is sold at a 12% loss. What is the selling price (in ₹)?

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