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?
23 m
23 2 m
9
27 7 m
9
29 m
Answer: Option
Explanation:

Relative speed = (40 - 20) km/hr = ( 20 x 5 ( m/sec = ( 50 ( m/sec.
18 9

Therefore Length of faster train = ( 50 x 5 ( m = 250 m = 27 7 m.
9 9 9

Discussion:
72 comments Page 7 of 8.

M.vishwa Mohawk reddy said:   6 years ago
How came 27 7/9? I am not getting, Please explain.

Tatikonda Dinesh said:   6 years ago
How to came 27 7/9?

Anybody, Please explain.

Qasim said:   1 decade ago
Thanks ram. That one is really good example.

Shital said:   6 years ago
Please, explain this how 250/9 to 27 * 7/9?
(3)

Harpreet said:   1 decade ago
What would be the length of slower train?

Haritha said:   1 decade ago
Could anyone please explain me clearly?

Sadik ali said:   1 decade ago
How can we find speed of slower train?

Alu said:   1 decade ago
What is that 18 denoting to in 5/18?

Azim said:   9 years ago
Consider the slower train as a man.

Pardhu said:   8 years ago
Nice explanation, thank you all.


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