An athlete crosses a distance of 3600 m in 12 minutes. What is his speed (in km/h)?
Answer & explanation
Correct answer: option 3
We know ,
Speed = \(\frac{Distance }{Time }\)
= \(\frac{3600 }{60 × 12 }\) = 5 m/sec
5 m/sec = 5 × \(\frac{18 }{5}\) = 18 km/h