NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2016

RRB NTPC · Question 94

Sanjay and Jacob start running in opposite directions from the same point at speeds of 7m/s and 5m/s. After 42 minutes, how far would they be form each other? A. 30.24 km B. 504 km C. 8.4 km D. 69.5 km

  1. A

  2. B

  3. C

  4. D

Show answer & explanation

Answer: (A) A

Explanation

Running in opposite directions, their distance grows at 7 + 5 = 12 m/s. In 42 minutes (2,520 s) they are 12 × 2520 = 30,240 m = 30.24 km apart.