Aptitude - Problems on Trains - Discussion
Discussion Forum : Problems on Trains - General Questions (Q.No. 2)
2.
A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
Answer: Option
Explanation:
| Speed of the train relative to man = |  |
125 |  m/sec |
| 10 |
| = | |
25 | m/sec. |
| 2 |
| = | |
25 | x | 18 | km/hr |
| 2 | 5 |
= 45 km/hr.
Let the speed of the train be x km/hr. Then, relative speed = (x - 5) km/hr.
x - 5 = 45 
x = 50 km/hr.
Discussion:
475 comments Page 48 of 48.
Wanbok Rabon said:
4 years ago
How get 18/5?
Sreenivas reddy said:
1 decade ago
Yeah superb.
Ravi U S said:
1 decade ago
Thanks Amit
Deepak said:
1 decade ago
Nice trick.
Hasan Mahmud said:
9 years ago
Good job.
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