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 Choose the correct choice from the following answers
A) 440 B) 540 C) 640 D) 740 E) 250
Speed of aeroplane = 420 Kmph   Distance 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 540.
<result>B</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