A train passes a train coming from opposite direction, speed 32 kmph in 25 sec. If the speed of the train is 40 km/hr. What is the length of train?	Choose the correct answer:
A) 300
B) 400
C) 500
D) 350
E) 200
Speed = (40+32) * 5/18 = 72 * 5/18= 
<gadget id="calculator">72 * 5/18</gadget>
<output>20</output>
20 m/sec.   Length of the train= 25 * 20= 
<gadget id="calculator">25 * 20</gadget>
<output>500</output>
500 m.   Answer: 500
<result>C</result>
A train passes a train coming from opposite direction, speed 32 kmph in 25 sec. If the speed of the train is 40 km/hr. What is the length of train?