CAT 2019 Slot 2 QA Q21 Time, Speed & Distance

Question 21 of the Quantitative Ability (QA) section, CAT 2019 Slot 2, with CAT's official answer.

Two ants A and B start from a point P on a circle at the same time, with A moving clock-wise and B moving anti-clockwise. They meet for the first time at 10:00 am when A has covered 60% of the track. If A returns to P at 10:12 am, then B returns to P at
  1. A
    10:27 am
  2. B
    10:25 am
  3. C
    10:45 am
  4. D
    10:18 am

Answer: (A) 10:27 am Time, Speed & Distance MCQ

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