A train moves with the speed of 180 km/hr. Its speed (in metres per second) is
Answer & explanation
Correct answer: option 4
180 x \(\frac{ 5}{18 }\) = 50 km/hr
*Note*:
To convert m/s to km/hr we multiply by \(\frac{ 18}{5 }\)
To convert km/hr to m/s we multiply by \(\frac{5}{18}\)