CAT 2017 Slot 1 QA Q6 Percentages & Profit-Loss

Question 6 of the Quantitative Ability (QA) section, CAT 2017 Slot 1, with CAT's official answer.

If a seller gives a discount of 15% on retail price, she still makes a profit of 2%. Which of the following ensures that she makes a profit of 20%?
  1. A
    Give a discount of 5% on retail price
  2. B
    Give a discount of 2% on retail price
  3. C
    Increase the retail price by 2%
  4. D
    Sell at retail price

Answer: (D) Sell at retail price Percentages & Profit-Loss MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.