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.A sewing machine costs ₹1500. It is sold at a 5% profit. What is the selling price (in ₹)?
- 2.What is the amount (principal + simple interest) on ₹9100 at 5% per year for 4 years (in ₹)?
- 3.What is the simple interest on ₹1900 at 5% per year for 2 years (in ₹)?
- 4.What is 20% of 340?
- 5.A shopkeeper buys a fan for ₹1450 and sells it for ₹1480. What is the profit (in ₹)?
- 6.What is the simple interest on ₹3100 at 10% per year for 4 years (in ₹)?
- 7.A mobile phone costs ₹3000. It is sold at a 50% profit. What is the selling price (in ₹)?
- 8.A mobile phone bought for ₹2700 is sold for ₹2970. What is the profit per cent?
- 9.What is 30% of 440?
- 10.A shopkeeper buys a table for ₹950 and sells it for ₹1070. What is the profit (in ₹)?
- 11.A shopkeeper buys a table for ₹900 and sells it for ₹970. What is the profit (in ₹)?
- 12.What is 10% of 780?
- 13.A table bought for ₹2500 is sold for ₹2200. What is the loss per cent?
- 14.A shopkeeper buys a cycle for ₹1900 and sells it for ₹1910. What is the profit (in ₹)?
- 15.What is 30% of 840?
- 16.A mobile phone bought for ₹2100 is sold for ₹1995. What is the loss per cent?
- 17.What is the simple interest on ₹6800 at 2% per year for 2 years (in ₹)?
- 18.What is the amount (principal + simple interest) on ₹3400 at 12% per year for 1 year (in ₹)?
- 19.The price of a box of mangoes changed from ₹400 to ₹380. What is the percentage decrease?
- 20.A cricket kit bought for ₹500 is sold for ₹450. What is the loss per cent?
- 21.What is the amount (principal + simple interest) on ₹700 at 7% per year for 3 years (in ₹)?
- 22.A cricket kit costs ₹3400. It is sold at a 25% loss. What is the selling price (in ₹)?
- 23.A shopkeeper buys a cycle for ₹1150 and sells it for ₹1170. What is the profit (in ₹)?
- 24.What is the simple interest on ₹5300 at 5% per year for 5 years (in ₹)?
- 25.A sewing machine costs ₹1500. It is sold at a 12% loss. What is the selling price (in ₹)?
- 26.The price of a school bag changed from ₹50 to ₹49. What is the percentage decrease?
- 27.What is the amount (principal + simple interest) on ₹3000 at 8% per year for 3 years (in ₹)?
- 28.What is 70% of 100?
- 29.A watch bought for ₹900 is sold for ₹810. What is the loss per cent?
- 30.A sewing machine costs ₹1900. It is sold at a 10% profit. What is the selling price (in ₹)?
- 31.A shopkeeper buys a mobile phone for ₹1550 and sells it for ₹1700. What is the profit (in ₹)?
- 32.What is the simple interest on ₹10000 at 11% per year for 5 years (in ₹)?
- 33.A shopkeeper buys a table for ₹950 and sells it for ₹660. What is the loss (in ₹)?
- 34.What is 20% of 560?
- 35.What is 70% of 680?
- 36.A shopkeeper buys a mobile phone for ₹2550 and sells it for ₹2260. What is the loss (in ₹)?
- 37.A shopkeeper buys a cycle for ₹1100 and sells it for ₹1350. What is the profit (in ₹)?
- 38.A shopkeeper buys a cycle for ₹750 and sells it for ₹620. What is the loss (in ₹)?
- 39.What is 30% of 600?
- 40.A mobile phone costs ₹2200. It is sold at a 30% loss. What is the selling price (in ₹)?
Answer key
- 1575
- 10920
- 190
- 68
- 30
- 1240
- 4500
- 10
- 132
- 120
- 70
- 78
- 12
- 10
- 252
- 5
- 272
- 3808
- 5
- 10
- 847
- 2550
- 20
- 1325
- 1320
- 2
- 3720
- 70
- 10
- 2090
- 150
- 5500
- 290
- 112
- 476
- 290
- 250
- 130
- 180
- 1540
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