1.

Two trains of length 125 m each are coming from opposite directions. If the speeds of 2 trains are 18 m/s and 22 m/s, then find the time in which 2 trains will cross each other.1. 25/4 secs2. 5 secs3. 48 secs4.  7 secs

Answer» Correct Answer - Option 1 : 25/4 secs

Given:

Length of each trains = 125 m 

Speed of train 1 = 18 m/s

Speed of train 2 = 22 m/s

Concept Used:

When 2 trains move in the opposite direction, the relative speed is the sum of their speeds.

Formula Used:

Speed = Distance/Time

Calculations:

Let the time after which 2 trains will cross each other be t secs.

(18 + 22) = (125 + 125)/t

⇒ t = 250/40

⇒ t = 25/4 secs

∴ The time in which 2 trains will cross each other is 25/4 secs.



Discussion

No Comment Found

Related InterviewSolutions