Multiple choice

Cost price of a pen is Rs. 100 and that of notebook is Rs. 280. If pen is sold at 200% profit, then to purchase 10 such notebooks, how many pens are required to sell if only profit money is used to buy notebooks?

  1. 18

  2. 12

  3. 14

  4. 20

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pen costs Rs. 100 and is sold at 200% profit, so selling price is 100 + (200% of 100) = 100 + 200 = Rs. 300. Profit per pen = Rs. 200. Each notebook costs Rs. 280, so 10 notebooks cost 2800. Number of pens needed = 2800 / 200 = 14 pens. Option C is correct.

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