A man riding his bicycle covers 150 meters in 25 seconds. What is his speed in km per hour ?
Q. A man riding his bicycle covers 150 meters in 25 seconds. What is his speed in km per hour ?
Answer: 21.6
Notes: $latex Speed = \frac{150}{25} = 6 m/s&s=1$ $latex = 6\times \frac{18}{5} = \frac{108}{5} = 21.6 km/hr&s=1$ Hence option [C] is correct answer.