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 39 of 48.
Kavya said:
5 years ago
Why it is divided 125/10? Please explain.
Shanthi said:
2 years ago
How this 18/5 come? please explain to me.
(17)
Phanikumar said:
6 months ago
How it comes 18/5? Anyone, explain to me.
(30)
P. Sudha said:
6 years ago
How 18/5 possible? Please explain to me.
Arun said:
6 years ago
How we say 45 km/hr is a relative speed?
Sayak Chakraborty said:
2 years ago
How 18/5 came after 25/2? Please answer.
(16)
Suja said:
1 month ago
How it 18รท5 will become? Please explain.
(7)
Parvez khan said:
1 decade ago
How was the relative speed calculated ?
Vignesh.Rv said:
9 years ago
Anyone tell me why its divided by 18/5?
Akshit mahajan said:
8 years ago
Could anyone tell. Why we had done x-5?
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