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 option
A) 580 Kmph
B) 550 Kmph
C) 540 Kmph
D) 530 Kmph
E) 520 kmph
Explanation:   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: Option 540 Kmph
<result>C</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