profile-img
Eduncle posted an MCQ
September 14, 2023 • 17:15 pm 0 points
  • CSIR NET
  • General Aptitude

A 100 m long train crosses a 200 m long and 20 m wide bridge in 20 seconds. What is the speed of the train in k/m hr?

 

A 100 m long train crosses a 200 m long and 20 m wide bridge in 20 seconds. What is the speed of the train in k/m hr?

Choose Your Answer:
2 Attempts Submit Now
  • 0 Likes
  • 2 Comments
  • 0 Shares
  • comment-profile-img>
    Eduncle Best Answer

    Length of train = 100 m

    length of bridge = 200 m

    width of bridge = 20 m

    time = 20 sec

    Total distance = 200 + 100 = 300 m

    Speed = Distance / time = 300 / 200 = 15 m/sec

    Speed = 15 * 18 / 5 km/hr

    54 km / hr

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers