Question

A 240 metre long train crosses a platform in 20 seconds. What is the speed of the train

Answer 1

speed=distance ×time
speed=240×20
speed=4800

Answer 2

Answer:

The speed of the train  is 12 m/s

Explanation:

Given: 240 meter long train crosses a platform in 20 seconds.

Find : The speed of the train.

Solution: According to the question

$Distance= speed\times time\\\\speed=\frac{distance}{time} \\\\=\frac{240}{20} \\\\=12m/s$

Hence, the speed of the train is 12 m/s.