A train of length 250 m crosses a bridge of length 120m in 20 seconds. What is the speed of train?	Pick one.
A) 33
B) 27
C) 66.6
D) 22
E) 72
Sol : (length of train+ length of bridge) = speed of train x Time   (250+120) = 20 x Speed   Speed = 370/20= 
<gadget id="calculator">370/20</gadget>
<output>37/2 = around 18.5</output>
18.5 m/s=66.6 km/h   ANSWER=66.6
<result>C</result>
A train of length 250 m crosses a bridge of length 120m in 20 seconds. What is the speed of train?