Class 7 Maths Worksheet: Profit and Loss, Simple Interest
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.
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- 1.What is the simple interest on ₹1400 at 3% per year for 3 years (in ₹)?
- 2.What is the amount (principal + simple interest) on ₹9400 at 3% per year for 3 years (in ₹)?
- 3.A shopkeeper buys a fan for ₹2750 and sells it for ₹2620. What is the loss (in ₹)?
- 4.A mobile phone costs ₹500. It is sold at a 12% profit. What is the selling price (in ₹)?
- 5.A cooler bought for ₹2800 is sold for ₹2100. What is the loss per cent?
- 6.What is the simple interest on ₹4900 at 9% per year for 1 year (in ₹)?
- 7.A cricket kit bought for ₹2400 is sold for ₹1920. What is the loss per cent?
- 8.What is the simple interest on ₹1600 at 9% per year for 5 years (in ₹)?
- 9.What is the amount (principal + simple interest) on ₹1600 at 6% per year for 2 years (in ₹)?
- 10.The price of a school bag changed from ₹100 to ₹150. What is the percentage increase?
- 11.What is the simple interest on ₹5400 at 3% per year for 3 years (in ₹)?
- 12.A cycle costs ₹1200. It is sold at a 12% loss. What is the selling price (in ₹)?
- 13.What is 15% of 900?
- 14.What is the amount (principal + simple interest) on ₹9500 at 10% per year for 5 years (in ₹)?
- 15.The price of a bus pass changed from ₹250 to ₹300. What is the percentage increase?
- 16.A mobile phone costs ₹900. It is sold at a 20% profit. What is the selling price (in ₹)?
- 17.The price of a bus pass changed from ₹50 to ₹40. What is the percentage decrease?
- 18.What is 75% of 60?
- 19.What is the simple interest on ₹9900 at 3% per year for 4 years (in ₹)?
- 20.What is 65% of 160?
- 21.A cooler costs ₹800. It is sold at a 5% profit. What is the selling price (in ₹)?
- 22.What is 95% of 900?
- 23.A shopkeeper buys a cricket kit for ₹1150 and sells it for ₹1440. What is the profit (in ₹)?
- 24.A shopkeeper buys a cricket kit for ₹2750 and sells it for ₹2710. What is the loss (in ₹)?
- 25.What is the amount (principal + simple interest) on ₹1500 at 5% per year for 4 years (in ₹)?
- 26.A fan costs ₹3600. It is sold at a 15% loss. What is the selling price (in ₹)?
- 27.A shopkeeper buys a cooler for ₹700 and sells it for ₹890. What is the profit (in ₹)?
- 28.What is 10% of 700?
- 29.A table costs ₹3000. It is sold at a 12% loss. What is the selling price (in ₹)?
- 30.What is 5% of 220?
- 31.A table costs ₹3200. It is sold at a 40% loss. What is the selling price (in ₹)?
- 32.A fan bought for ₹1500 is sold for ₹1200. What is the loss per cent?
- 33.What is 40% of 280?
- 34.What is 30% of 300?
- 35.What is the simple interest on ₹4300 at 11% per year for 4 years (in ₹)?
- 36.A shopkeeper buys a cricket kit for ₹750 and sells it for ₹840. What is the profit (in ₹)?
- 37.What is the amount (principal + simple interest) on ₹7100 at 4% per year for 5 years (in ₹)?
- 38.What is 10% of 620?
- 39.What is 30% of 160?
- 40.A cooler bought for ₹3500 is sold for ₹2100. What is the loss per cent?
Answer key
- 126
- 10246
- 130
- 560
- 25
- 441
- 20
- 720
- 1792
- 50
- 486
- 1056
- 135
- 14250
- 20
- 1080
- 20
- 45
- 1188
- 104
- 840
- 855
- 290
- 40
- 1800
- 3060
- 190
- 70
- 2640
- 11
- 1920
- 20
- 112
- 90
- 1892
- 90
- 8520
- 62
- 48
- 40
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