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.
NameDateTime takenScore ___ / 40
- 1.A fan bought for ₹1100 is sold for ₹1232. What is the profit per cent?
- 2.A cooler costs ₹2400. It is sold at a 5% loss. What is the selling price (in ₹)?
- 3.The price of a cricket ball changed from ₹20 to ₹38. What is the percentage increase?
- 4.A cooler bought for ₹4000 is sold for ₹6000. What is the profit per cent?
- 5.The price of a bus pass changed from ₹250 to ₹100. What is the percentage decrease?
- 6.A shopkeeper buys a watch for ₹600 and sells it for ₹390. What is the loss (in ₹)?
- 7.A cycle bought for ₹3500 is sold for ₹3920. What is the profit per cent?
- 8.A mobile phone costs ₹700. It is sold at a 25% profit. What is the selling price (in ₹)?
- 9.A watch bought for ₹2400 is sold for ₹1920. What is the loss per cent?
- 10.A shopkeeper buys a fan for ₹1500 and sells it for ₹1220. What is the loss (in ₹)?
- 11.The price of a school bag changed from ₹100 to ₹105. What is the percentage increase?
- 12.A cycle bought for ₹2900 is sold for ₹2030. What is the loss per cent?
- 13.The price of a box of mangoes changed from ₹200 to ₹300. What is the percentage increase?
- 14.What is the simple interest on ₹800 at 9% per year for 3 years (in ₹)?
- 15.A shopkeeper buys a mobile phone for ₹1200 and sells it for ₹1400. What is the profit (in ₹)?
- 16.The price of a box of mangoes changed from ₹100 to ₹101. What is the percentage increase?
- 17.What is the simple interest on ₹7800 at 3% per year for 3 years (in ₹)?
- 18.What is the amount (principal + simple interest) on ₹6600 at 2% per year for 1 year (in ₹)?
- 19.What is the amount (principal + simple interest) on ₹7100 at 2% per year for 4 years (in ₹)?
- 20.What is the amount (principal + simple interest) on ₹3000 at 4% per year for 1 year (in ₹)?
- 21.The price of a school bag changed from ₹50 to ₹45. What is the percentage decrease?
- 22.What is the simple interest on ₹6300 at 6% per year for 5 years (in ₹)?
- 23.What is 45% of 480?
- 24.The price of a school bag changed from ₹400 to ₹760. What is the percentage increase?
- 25.The price of a bus pass changed from ₹20 to ₹16. What is the percentage decrease?
- 26.What is the amount (principal + simple interest) on ₹8400 at 4% per year for 3 years (in ₹)?
- 27.A shopkeeper buys a mobile phone for ₹2850 and sells it for ₹3040. What is the profit (in ₹)?
- 28.What is 95% of 700?
- 29.What is the simple interest on ₹8500 at 2% per year for 4 years (in ₹)?
- 30.What is 25% of 420?
- 31.A mobile phone costs ₹300. It is sold at a 20% profit. What is the selling price (in ₹)?
- 32.The price of a pair of shoes changed from ₹80 to ₹140. What is the percentage increase?
- 33.The price of a box of mangoes changed from ₹400 to ₹700. What is the percentage increase?
- 34.A watch bought for ₹1100 is sold for ₹990. What is the loss per cent?
- 35.What is 35% of 820?
- 36.What is the simple interest on ₹9400 at 2% per year for 4 years (in ₹)?
- 37.What is the simple interest on ₹1700 at 2% per year for 1 year (in ₹)?
- 38.The price of a school bag changed from ₹100 to ₹70. What is the percentage decrease?
- 39.The price of a cricket ball changed from ₹500 to ₹625. What is the percentage increase?
- 40.A sewing machine costs ₹3300. It is sold at a 30% loss. What is the selling price (in ₹)?
Answer key
- 12
- 2280
- 90
- 50
- 60
- 210
- 12
- 875
- 20
- 280
- 5
- 30
- 50
- 216
- 200
- 1
- 702
- 6732
- 7668
- 3120
- 10
- 1890
- 216
- 90
- 20
- 9408
- 190
- 665
- 680
- 105
- 360
- 75
- 75
- 10
- 287
- 752
- 34
- 30
- 25
- 2310
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