An aeroplane covers a certain distance of 420 Kmph in 6 hours. to cover the same distance in 4 2/3 hours, it Must travel at a speed of ?	Pick:  A) 450 Km  B) 480 Km  C) 500 Km  D) 540 Km  E) 590 Km
Speed of aeroplane = 420 Kmph   540 Kmistance travelled in 6 hours   = 420 * 6= 
<gadget id="calculator">420 * 6</gadget>
<output>2_520</output>
2520 Km   Speed of aeroplane to acver 2520 Km in 14/3= 2520*3/14= 
<gadget id="calculator">2520*3/14</gadget>
<output>540</output>
540 Km   Answer: Option '540 Km'
<result>D</result>
An aeroplane covers a certain distance of 420 Kmph in 6 hours. to cover the same distance in 4 2/3 hours, it Must travel at a speed of ?