A train covers a certain distance at a speed of 200kmph in 4 hours. To cover the same distance in 2 hours, it must travel at a speed of Choose one
A) 400 km/hr	B) 420 km/hr	C) 450 km/hr	D) 470 km/hr	E) 580 km/hr
Explanation:   Distance = 200×4 = 800km   Required speed = (800/2)= 
<gadget id="calculator">(800/2)</gadget>
<output>400</output>
400km/hr   400 km/hrnswer: Option 400 km/hr
<result>A</result>
A train covers a certain distance at a speed of 200kmph in 4 hours. To cover the same distance in 2 hours, it must travel at a speed of