The question is from the topic time and distance. It tests our standing of hours and minutes. Time Speed and Distance is a favorite in CAT Exam, and appears more often than expected in the CAT Quantitative Aptitude section in the CAT Exam

Question 19: Kumar started from Chennai at x hrs y minutes and travelled to Vellore. He reached Vellore at y hrs z minutes. If the total travel time was z hrs and x minutes, his starting time in Chennai could have been ______ (Assume clock format to be 0 to 24 hrs).

- 02:08 hrs
- 13:03 hrs
- 00:02 hrs
- 12:01 hrs

00:02 hrs

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x, y or z cannot be greater than 24

Also x + y + z cannot be greater than 24

Given x hrs + z hrs = y hrs

Also y min + x min = z min

The only value of x that will satisfy the above 2 equations is 0.

Hence, from among the choices given, the time could be 00:02 hrs

The question is **"If the total travel time was z hrs and x minutes, his starting time in Chennai could have been ______"**

Choice C is the correct answer.

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