A man runs 200 metres in 24 seconds. His speed is:

We know ,

Speed = \(\frac{Distance }{Time }\)

= \(\frac{200 }{24 }\)

= \(\frac{25 }{3}\) m/sec

\(\frac{25 }{3}\) m/sec  = \(\frac{25 }{3}\) × \(\frac{18}{5}\) km/h= 30 km/h