Student: A boy runs 200 metres in 60 seconds. What is his speed ?
Options:
(A) 12 km/hr
(B) 24 km/hr
(C) 13 km/hr
(D) 14 km/hr
(E) 16 km/hr.
Another student: Let's say, hmmm...
200/60 * 18/5 = 12 km/hr Final answer: (A).