CAT 2017 Slot 2 QA Q9 Percentages & Profit-Loss

Question 9 of the Quantitative Ability (QA) section, CAT 2017 Slot 2, with CAT's official answer.

Mayank buys some candies for Rs 15 a dozen and an equal number of different candies for Rs 12 a dozen. He sells all for Rs 16.50 a dozen and makes a profit of Rs 150. How many dozens of candies did he buy altogether?
  1. A
    50
  2. B
    30
  3. C
    25
  4. D
    45

Answer: (A) 50 Percentages & Profit-Loss MCQ

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