CAT 2017 Slot 2 QA Q4 Time, Speed & Distance

Question 4 of the Quantitative Ability (QA) section, CAT 2017 Slot 2, with CAT's official answer.

Arun drove from home to his hostel at 60 miles per hour. While returning home he drove half way along the same route at a speed of 25 miles per hour and then took a bypass road which increased his driving distance by 5 miles, but allowed him to drive at 50 miles per hour along this bypass road. If his return journey took 30 minutes more than his onward journey, then the total distance travelled by him is:
  1. A
    55 miles
  2. B
    60 miles
  3. C
    65 miles
  4. D
    70 miles

Answer: (C) 65 miles 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.