An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hours, it must travel at a speed of:
Choose the most appropriate option:
A) 300 kmph  B) 360 kmph  C) 600 kmph  D) 720 kmph  E) 750 kmph
Explanation:   Distance = (240 x 5) = 1200 km.   Speed = Distance/Time   Speed = 1200/(5/3) km/hr.   Required speed =(1200 X 3/5)km/hr	= 720 km/hr.   ANSWER IS 720 kmph
<result>D</result>
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hours, it must travel at a speed of: