In what time will a train 100 metres long cross an electric pole, if its speed be144 km / hr? · ABC26GN3869
Subject: General Aptitude · Chapter: Problems on Trains
In what time will a train 100 metres long cross an electric pole, if its speed be144 km / hr?
(a)2.5 seconds
(b)4.25 seconds
(c)5 seconds
(d)12.5 seconds
Answer
Explanation
Speed $=\left(144 \times \frac{5}{18}\right) \mathrm{m} / \mathrm{sec}=40 \mathrm{m} / \mathrm{sec}$. $$\text { Time taken }=\left(\frac{100}{40}\right) \mathrm{sec}=2.5 \mathrm{sec} .$$
Study loop for Problems on Trains
· Browse this chapter in the app