Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 188 · 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 watch bought for ₹1000 is sold for ₹800. What is the loss per cent?
2. 2.A mobile phone costs ₹3700. It is sold at a 20% loss. What is the selling price (in ₹)?
3. 3.A shopkeeper buys a watch for ₹3000 and sells it for ₹2850. What is the loss (in ₹)?
4. 4.What is the amount (principal + simple interest) on ₹900 at 10% per year for 5 years (in ₹)?
5. 5.What is the simple interest on ₹1500 at 8% per year for 2 years (in ₹)?
6. 6.A table bought for ₹500 is sold for ₹575. What is the profit per cent?
7. 7.What is the amount (principal + simple interest) on ₹4500 at 11% per year for 2 years (in ₹)?
8. 8.What is 65% of 600?
9. 9.The price of a pair of shoes changed from ₹250 to ₹275. What is the percentage increase?
10. 10.What is 75% of 160?
11. 11.What is the amount (principal + simple interest) on ₹5900 at 7% per year for 2 years (in ₹)?
12. 12.What is 25% of 580?
13. 13.The price of a box of mangoes changed from ₹20 to ₹5. What is the percentage decrease?
14. 14.The price of a box of mangoes changed from ₹500 to ₹50. What is the percentage decrease?
15. 15.What is 85% of 560?
16. 16.What is the amount (principal + simple interest) on ₹3700 at 8% per year for 1 year (in ₹)?
17. 17.A fan bought for ₹2900 is sold for ₹2030. What is the loss per cent?
18. 18.A cycle costs ₹900. It is sold at a 15% loss. What is the selling price (in ₹)?
19. 19.What is 45% of 840?
20. 20.What is 40% of 140?
21. 21.What is the amount (principal + simple interest) on ₹7900 at 10% per year for 3 years (in ₹)?
22. 22.A sewing machine costs ₹3400. It is sold at a 50% profit. What is the selling price (in ₹)?
23. 23.What is 5% of 940?
24. 24.A fan bought for ₹1200 is sold for ₹1140. What is the loss per cent?
25. 25.A mobile phone bought for ₹1200 is sold for ₹1056. What is the loss per cent?
26. 26.A watch costs ₹2200. It is sold at a 15% loss. What is the selling price (in ₹)?
27. 27.What is the simple interest on ₹7000 at 11% per year for 4 years (in ₹)?
28. 28.What is the amount (principal + simple interest) on ₹1700 at 12% per year for 2 years (in ₹)?
29. 29.What is the simple interest on ₹800 at 11% per year for 2 years (in ₹)?
30. 30.What is 65% of 1000?
31. 31.A shopkeeper buys a watch for ₹1450 and sells it for ₹1480. What is the profit (in ₹)?
32. 32.A shopkeeper buys a table for ₹1050 and sells it for ₹860. What is the loss (in ₹)?
33. 33.A sewing machine bought for ₹1700 is sold for ₹1955. What is the profit per cent?
34. 34.A shopkeeper buys a cooler for ₹200 and sells it for ₹380. What is the profit (in ₹)?
35. 35.A cricket kit bought for ₹3400 is sold for ₹3230. What is the loss per cent?
36. 36.What is 45% of 360?
37. 37.What is 30% of 220?
38. 38.The price of a pair of shoes changed from ₹40 to ₹28. What is the percentage decrease?
39. 39.What is the amount (principal + simple interest) on ₹2900 at 6% per year for 1 year (in ₹)?
40. 40.What is the amount (principal + simple interest) on ₹4500 at 7% per year for 2 years (in ₹)?

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