Multiple choice

A dishonest dealer professes to sell goods at the cost price but uses a weight of 800 grams per kg, what is his percent?

  1. 20%

  2. 25%

  3. 30%

  4. 15%
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The dealer uses 800g instead of 1000g. The gain is 200g on 800g. Percent gain = (200 / 800) * 100 = 25%.

AI explanation

Using the error percentage formula, the profit is calculated as the difference between the true weight and the false weight divided by the false weight, all multiplied by 100. The dealer gives 800 grams but charges for 1000 grams, so the gain percentage is ((1000 minus 800) divided by 800) multiplied by 100, which equals 25%.

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