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#1 2015-05-23 06:38:47

hasnain
Administrator
From: Chichawatni
Registered: 2014-10-13
Posts: 8,355
Website

Length:

Question:
The length of a train is 110 metres. It is running at the speed of 72 kmph. How much will it take to cross a bridge 132 m in length?

Option A):
14 sec
Option B):
12.42 sec
Option C):
9.8 sec
Option D):
12.1 sec

Correct Answer is Option D):
12.1 sec

Explanation:
d=(110+132)m
v=72*5/18=20 m/s
t=d/v


Failure is the first step towards seccess.

2015-05-23 06:38:47

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Re: Length:



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