A person crosses a 600 m long street in 5 minutes. What is his speed in km per…
2017
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
- A.
3.6
- B.
7.2
- C.
8.4
- D.
10
Attempted by 28 students.
Show answer & explanation
Correct answer: B
Speed = distance/time = 600 m in 5 minutes = 120 m/min. Converting to km/h: 120 x 60 / 1000 = 7.2 km/h.