CAT 2017 Slot 2 QA Q11 Ratio, Mixtures & Averages

Question 11 of the Quantitative Ability (QA) section, CAT 2017 Slot 2, with CAT's official answer.

If a, b, c are three positive integers such that a and b are in the ratio 3 : 4 while b and c are in the ratio 2 : 1, then which one of the following is a possible value of (a + b + c)?
  1. A
    201
  2. B
    205
  3. C
    207
  4. D
    210

Answer: (C) 207 Ratio, Mixtures & Averages MCQ

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