An aeroplane covers a certain distance of 590 Kmph in 8 hours. to cover the same distance in 2 3/4 hours, it Must travel at a speed of  Select the correct option:
A) 1780
B) 1716
C) 1890
D) 1980
E) 1450
Speed of aeroplane = 590 Kmph   Distance travelled in 8 hours   = 590 * 8= 
<gadget id="calculator">590 * 8</gadget>
<output>4_720</output>
4720 Km   Speed of aeroplane to acver 4720 Km in 11/4= 4720*4/11 = 1716 Km   Answer 1716.
<result>B</result>
An aeroplane covers a certain distance of 590 Kmph in 8 hours. to cover the same distance in 2 3/4 hours, it Must travel at a speed of