CAT 2017 Slot 1 QA Q1 Percentages & Profit-Loss

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

Arun's present age in years is 40% of Barun's. In another few years, Arun's age will be half of Barun's. By what percentage will Barun's age increase during this period? (TITA)

TITA: type in the answer. There are no options and no negative marking.

Answer: 20 Percentages & Profit-Loss TITA

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