Multiple choice

If the cost price of 15 items is exactly equal to the selling price of 12 items, find the net gain percent.

  1. 20%

  2. 25%

  3. 30%

  4. 33.33%

  5. None
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

15 * CP = 12 * SP => SP/CP = 15/12 = 5/4 = 1.25. Gain = 25%.

AI explanation

Let the cost price of one item be 1. The cost price of 15 items is 15, which equals the selling price of 12 items. Therefore, the selling price of one item is 15/12, or 1.25. The gain on a single item is 1.25 - 1 = 0.25. Applying the profit percentage formula, (0.25 / 1) * 100 yields a net gain of 25%.

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