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 choices
A) 600km/hr B) 720km/hr C) 710km/hr D) 510km/hr E) 480km/hr
Distance = 240*5= 
<gadget id="calculator">240*5</gadget>
<output>1_200</output>
1200 km   Required speed= 1200 * 3/5= 
<gadget id="calculator">1200 * 3/5</gadget>
<output>720</output>
720km/hr   Answer is 720km/hr
<result>B</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?