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:
487 comments Page 46 of 49.
Harshitha m said:
2 months ago
Can you explain in detail?
(2)
Kumar said:
2 decades ago
Why 125 is divided by 10?
Akshay said:
1 decade ago
Why should multiply 18/5?
Varma said:
1 decade ago
How he equated 45 to x-5?
Pravin said:
6 years ago
Thank you @Chandhan Azad.
Nilesh838 said:
5 years ago
Good explanation, thanks.
Thilaga said:
2 decades ago
Nice explanation.Thanks.
Anitha said:
2 decades ago
Why 18/5 please tell me?
Pravin said:
6 years ago
Thank you @Chandan Azad.
Ayushi said:
10 years ago
Why x - 5? Not as 5- x?
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