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 amount (principal + simple interest) on ₹8400 at 2% per year for 3 years (in ₹)?
- 2.A sewing machine bought for ₹1500 is sold for ₹1680. What is the profit per cent?
- 3.A table bought for ₹1500 is sold for ₹1275. What is the loss per cent?
- 4.A shopkeeper buys a mobile phone for ₹1450 and sells it for ₹1430. What is the loss (in ₹)?
- 5.What is the simple interest on ₹2500 at 3% per year for 1 year (in ₹)?
- 6.A mobile phone costs ₹3200. It is sold at a 5% profit. What is the selling price (in ₹)?
- 7.A shopkeeper buys a sewing machine for ₹2700 and sells it for ₹2540. What is the loss (in ₹)?
- 8.What is the amount (principal + simple interest) on ₹3200 at 12% per year for 5 years (in ₹)?
- 9.A cycle costs ₹2100. It is sold at a 25% profit. What is the selling price (in ₹)?
- 10.What is 55% of 120?
- 11.A cycle costs ₹1100. It is sold at a 50% profit. What is the selling price (in ₹)?
- 12.A cricket kit bought for ₹3100 is sold for ₹1860. What is the loss per cent?
- 13.A watch bought for ₹1500 is sold for ₹1680. What is the profit per cent?
- 14.The price of a pair of shoes changed from ₹250 to ₹275. What is the percentage increase?
- 15.What is the simple interest on ₹7600 at 9% per year for 3 years (in ₹)?
- 16.What is 20% of 800?
- 17.A watch costs ₹500. It is sold at a 12% profit. What is the selling price (in ₹)?
- 18.A cricket kit bought for ₹3300 is sold for ₹3630. What is the profit per cent?
- 19.What is 5% of 300?
- 20.What is 30% of 80?
- 21.A shopkeeper buys a sewing machine for ₹900 and sells it for ₹880. What is the loss (in ₹)?
- 22.What is the amount (principal + simple interest) on ₹9900 at 10% per year for 4 years (in ₹)?
- 23.A fan costs ₹1400. It is sold at a 10% loss. What is the selling price (in ₹)?
- 24.What is the simple interest on ₹5200 at 3% per year for 3 years (in ₹)?
- 25.What is the amount (principal + simple interest) on ₹9800 at 6% per year for 4 years (in ₹)?
- 26.The price of a water bottle changed from ₹400 to ₹720. What is the percentage increase?
- 27.A sewing machine costs ₹3600. It is sold at a 20% loss. What is the selling price (in ₹)?
- 28.The price of a school bag changed from ₹50 to ₹35. What is the percentage decrease?
- 29.What is the amount (principal + simple interest) on ₹2700 at 3% per year for 2 years (in ₹)?
- 30.A table costs ₹2400. It is sold at a 10% profit. What is the selling price (in ₹)?
- 31.What is 65% of 140?
- 32.A shopkeeper buys a watch for ₹2900 and sells it for ₹2650. What is the loss (in ₹)?
- 33.The price of a bus pass changed from ₹100 to ₹102. What is the percentage increase?
- 34.A shopkeeper buys a cycle for ₹800 and sells it for ₹1000. What is the profit (in ₹)?
- 35.A shopkeeper buys a fan for ₹400 and sells it for ₹420. What is the profit (in ₹)?
- 36.What is the simple interest on ₹5000 at 6% per year for 4 years (in ₹)?
- 37.A shopkeeper buys a fan for ₹850 and sells it for ₹960. What is the profit (in ₹)?
- 38.The price of a water bottle changed from ₹50 to ₹65. What is the percentage increase?
- 39.The price of a water bottle changed from ₹50 to ₹70. What is the percentage increase?
- 40.A shopkeeper buys a cycle for ₹1000 and sells it for ₹960. What is the loss (in ₹)?
Answer key
- 8904
- 12
- 15
- 20
- 75
- 3360
- 160
- 5120
- 2625
- 66
- 1650
- 40
- 12
- 10
- 2052
- 160
- 560
- 10
- 15
- 24
- 20
- 13860
- 1260
- 468
- 12152
- 80
- 2880
- 30
- 2862
- 2640
- 91
- 250
- 2
- 200
- 20
- 1200
- 110
- 30
- 40
- 40
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