An aeroplane covers a certain distance of 450 Kmph in 4 hours. to cover the same distance in 3 2/3 hours, it Must travel at a speed of	Choose the correct choice from the following.
A) 440 B) 490 C) 640 D) 740 E) 250
Speed of aeroplane = 450 Kmph   Distance travelled in 4 hours   = 450 * 4= 
<gadget id="calculator">450 * 4</gadget>
<output>1_800</output>
1800 Km   Speed of aeroplane to acver 1800 Km in 11/3= 1800*3/11 = 490 Km   Answer 490.
<result>B</result>
An aeroplane covers a certain distance of 450 Kmph in 4 hours. to cover the same distance in 3 2/3 hours, it Must travel at a speed of