A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

  1. 3.6
  2. 8.4
  3. 7.2
  4. 10

Distance = 600m = 0.6km

Time = 5min = (5/60)hrs = (1/12)hrs

Speed = Distance/Time = (0.6)/(1/12) = 12(0.6) = 7.2kmph

Leave a Comment

Your email address will not be published. Required fields are marked *

%d bloggers like this: