What will be the speed of the train in Kmph? If

A 150 mt. long train crosses a signal post in 7 sec. What is the speed of the train in kmph?

  1. 77 km/hr.
  2. 77 ⅓ km/hr
  3. 77 ⅕ km/hr
  4. 77 ⅟7 km/hr
Monis Rasool Professor Asked on 25th May 2015 in Maths.
Add Comment
  • 1 Answer(s)

    Answer: (d) 540/7 km/hr.
    Explanation:

    Length of the train = 150 mt.
    Train covered distance in 7 sec = 150 m
    Therefore speed of train  = 150/7 m/sec.
    Speed in Km/hr = 150 x 18/7 x 5 = 540/7 km/hr.

    Hence, the speed of the train = 540/7 km/hr.

    Anurag Mishra Professor Answered on 25th May 2015.
    Add Comment
  • Your Answer

    By posting your answer, you agree to the privacy policy and terms of service.