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:
45 km/hr
50 km/hr
54 km/hr
55 km/hr
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 41 of 48.

Anjali said:   7 years ago
Thanks all for explaining the answer.

Vinod said:   7 years ago
Thanks all for explaining the answer.

Atique said:   1 decade ago
Nice Explanation Guys. Thanks a Lot.

Krish said:   1 decade ago
How to be solve this 25/2*18/5 = 45?

Geeth said:   10 years ago
Thank you all guys I got many ideas.

Pattinson said:   9 years ago
18/5 is to convert seconds to hours.

Seshu said:   4 years ago
length = speed * time = 5 * 10 = 50.
(3)

Chetana said:   1 decade ago
Thanks frnd. I understand properly.

Jitendra Prajapati said:   1 decade ago
Very good explanation by Suganthan.

Vinod salunke said:   1 decade ago
Nice explanation by ramesh chandra.


Post your comments here:

Your comments will be displayed after verification.