A person crosses a 1080 m long street in 14 minutes. What is his speed in km per hour?
Answers: A) 4.1 B) 4.5 C) 4.6 D) 5.4 E) 5.5
Speed = 1080/(12x60) m/sec   = 1.3 m/sec.   Converting m/sec to km/hr =1.3 x(18/5) km/hr   = 4.6 km/hr.   ANSWER :4.6
<result>C</result>
A person crosses a 1080 m long street in 14 minutes. What is his speed in km per hour?