Multiple choice

A shopkeeper sells his articles at their cost price but uses a faulty balance, which reads 1000 g for 800 g. What is his actual profit percentage?

  1. 25%

  2. 20%

  3. 40%

  4. 30%
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A Correct answer
Explanation

The shopkeeper uses 800g but charges for 1000g. Profit = (1000 - 800) / 800 = 200 / 800 = 0.25, which is 25%.

AI explanation

Use the faulty weight profit percentage formula, which is ((True Weight minus Faulty Weight) divided by Faulty Weight) multiplied by 100. The shopkeeper gives 800 g but charges for 1000 g, so the actual profit is 200 g on the 800 g he actually provides. Therefore, the profit percentage is (200 divided by 800) multiplied by 100, yielding 25%.

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