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Railways PYQCBT 2 2017

RRB NTPC · Question 113

Bhanu takes a total of 6 hours 50 minutes in walking a distance and running back to the same place where she started. She could walk both ways in 8 hours 30 minutes. The time taken by her to run both ways is :

  1. 5 hours 25 min

  2. 5 hours 15 min

  3. 5 hours 10 min

  4. 5 hours 45 min

Show answer & explanation

Answer: (C) 5 hours 10 min

Explanation

Walking both ways takes 8 h 30 min, so one way on foot = 4 h 15 min. Running one way = 6 h 50 min − 4 h 15 min = 2 h 35 min, so running both ways = 5 h 10 min.