Aptitude - Problems on Trains - Discussion
Discussion Forum : Problems on Trains - General Questions (Q.No. 26)
26.
Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?
Answer: Option
Explanation:
Relative speed = (40 - 20) km/hr = | ![]() |
20 x | 5 | ![]() |
m/sec = | ![]() |
50 | ![]() |
m/sec. |
18 | 9 |
![]() |
![]() |
50 | x 5 | ![]() |
m = | 250 | m = 27 | 7 | m. |
9 | 9 | 9 |
Discussion:
72 comments Page 8 of 8.
Shikha Rajput said:
2 years ago
Can someone explain why we take 5/18 in the km/hr? I am not getting it.
(4)
Radha Krishna said:
1 year ago
What to do if asked length of a slower train? Anyone, please explain to me.
(7)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers