A 160 m long train crosses a 160 m long platform in 16 seconds. Find the speed of the train in Km/hr?
Answer & explanation
Correct answer: option 3
Speed = \(\frac{Distance }{Time }\)
Speed = \(\frac{\text{160 + 160} }{16}\)
Speed = \(\frac{\text{320} }{16}\)
Speed = 20 m/s
Speed in km/hr = 20 x \(\frac{ 18}{5 }\) =72 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 \(\frac{5}{18}\)