general math MCQ #886

A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?

general math MCQ #886

  1. Question 1

    Q1. A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?

    • A) 69.5 km/hr
    • B) 70 km/hr
    • C) 79 km/hr
    • D) 79.2 km/hr

    Answer: 79.2 km/hr

    Explanation: Let train length = L; L/8 = (L+264)/20 gives L = 176 m; speed = 22 m/s = 79.2 km/hr.