A train of length 240 m crosses a bridge of length 150m in 20 seconds. What is the speed of train? Pick one:	A) 33	B) 27	C) 25	D) 70.2	E) 72
Sol : (length of train+ length of bridge) = speed of train x Time   (240+150) = 20 x Speed   Speed = 390/20= 
<gadget id="calculator">390/20</gadget>
<output>39/2 = around 19.5</output>
19.5 m/s=70.2 km/h   ANSWER=70.2
<result>D</result>
A train of length 240 m crosses a bridge of length 150m in 20 seconds. What is the speed of train?