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Railways PYQCBT 1 2016

RRB NTPC · Question 68

Rahul and Raghav are 110 km apart from each other and they started horse-riding towards each other at the same time at a speed of 20 km/hr and 24 km/hr. After how many hours of riding will they be a distance of 22 km? A. 1 hour B. 1 hour 30 min C. 2 hour D. 2 hours 30 min

  1. D

  2. C

  3. B

  4. A

Show answer & explanation

Answer: (B) C

Explanation

Riding towards each other, they close the gap at 20 + 24 = 44 km/h. To go from 110 km apart to 22 km apart they must cover 88 km, which takes 88/44 = 2 hours.