Question

A train 200 m long is running at the rate of 45 km/h .how long will it take to cross the pole​

Answer 1

distance = length of train = 200 = 0.2km

speed = 45km/hr

$time \: = \: \frac{distance}{speed}$

$= \: \frac{0.2}{45}$

=

$= \: \frac{1}{225}$

$In \: sec \: = \: \frac{1}{225} \times 3600$

= 16 seconds