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Railways PYQCBT 2 2017

RRB NTPC · Question 35

The ratio between the speeds of two trains is 4 : 5. If the second train runs 800 km in 8 hours, then what is the speed of the first train?

  1. 95 km/hr

  2. 85 km/hr

  3. 75 km/hr

  4. 80 km/hr

Show answer & explanation

Answer: (D) 80 km/hr

Explanation

The second train's speed = 800/8 = 100 km/h. The first = 4/5 × 100 = 80 km/h.