A train covers a certain distance at a speed of 240kmph in 5 hours. To cover the same distance in 1 2/3 hours, it must travel at a speed of  Choose the most appropriate option:
A) 720km/hr
B) 620km/hr
C) 650km/hr
D) 750km/hr
E) 850km/hr
Explanation:   Distance = 240×5 = 1200km   Required speed = (1200× 3/5) = 720km/hr   720km/hrnswer: Option 720km/hr
<result>A</result>
A train covers a certain distance at a speed of 240kmph in 5 hours. To cover the same distance in 1 2/3 hours, it must travel at a speed of