An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 2/3 hours, it must travel at a speed of:  Choose the correct choice from the following.
A) 300km/hour	B) 360 km/hour	C) 600km/hour	D) 720km/hour	E) None of these
Distance=(240*5)= 
<gadget id="calculator">(240*5)</gadget>
<output>1_200</output>
1200km.   Required speed=(1200*3/5)km/hr=720kilometer/hour.   Correct Option: 720km/hour
<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 2/3 hours, it must travel at a speed of: