Multiple choice

A bookshop owner purchased $100$ notebooks for Rs$15$ each. However, $5$ notebooks had to be return as few pages were torn from them. The remaining notebooks were sold at Rs$18$ each. Find the gain or loss percent.

  1. $10\%$ gain
  2. $14\%$ gain
  3. $12\%$ loss
  4. $8\%$ loss
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cost price = 100 * 15 = 1500. Remaining notebooks = 95. Selling price = 95 * 18 = 1710. Gain = 1710 - 1500 = 210. Gain percent = (210 / 1500) * 100 = 14%.

AI explanation

The total cost price of the notebooks is 100 * 15 = Rs. 1500. After returning 5 notebooks, 95 notebooks remain, and selling them at Rs. 18 each gives a total selling price of 95 * 18 = 1710. The gain percent is calculated using the formula ((Selling Price - Cost Price) / Cost Price) * 100, which becomes ((1710 - 1500) / 1500) * 100, yielding a 14% gain.

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