A train 160 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?	Choose the correct choice from the following answers
A) 40 sec
B) 50 sec
C) 44 sec
D) 24 sec
E) 60 sec
Speed = 45 * 5/18 = 25/2 m/sec   Total distance covered = 160 + 140= 
<gadget id="calculator">160 + 140</gadget>
<output>300</output>
300 m   Required time= 300 * 2/25= 
<gadget id="calculator">300 * 2/25</gadget>
<output>24</output>
24 sec   Answer:24 sec
<result>D</result>
A train 160 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?