A 100-m-long train passes an electric post in 6 seconds. The speed of the train is:

Correct option is A

Given:

A 100-m-long train passes an electric post in 6 seconds.

Formula Used:

Speed = distance/time

Solution:

Speed of train = 100m/6 sec = $$\frac{100\times18}{6\times5}$$km/h = 60km/h​