A man riding his bicycle covers 150 meters in 25 seconds. What is his speed in km per hour ?
A man riding his bicycle covers 150 meters in 25 seconds. What is his speed in km per hour ?
[A]20
[B]23
[C]21.6
[D]25
21.6
$latex Speed = \frac{150}{25} = 6 m/s&s=1$
$latex = 6\times \frac{18}{5} = \frac{108}{5} = 21.6 km/hr&s=1$
Hence option [C] is correct answer.