Speed of a man is 45 km/h. In how much time (in seconds) will he cover a distance of 225 metres?

24 16 18 22

18

Given : - Speed of man = 45 km/h 45 km/h = 45 × \(\frac{5}{18}\)  =  \(\frac{25}{2}\) m/sec Time = \(\frac{Distance }{Speed }\) =  \(\frac{225 × 2}{25}\) = 18 sec