A train 360 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) 42 sec	C) 45 sec	D) 48 sec	E) 58 sec
Speed = 45 * 5/18 = 25/2 m/sec   Total distance covered = 360 + 140= 
<gadget id="calculator">360 + 140</gadget>
<output>500</output>
500 m   Required time= 500 * 2/25= 
<gadget id="calculator">500 * 2/25</gadget>
<output>40</output>
40 sec   40 secNSWER:40 sec
<result>A</result>
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?