A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 215 m long?  Pick.
A) 40	B) 46	C) 88	D) 77	E) 21
:   Speed = 45 * 5/18 = 25/2 m/sec   Total distance covered = 360 + 215= 
<gadget id="calculator">360 + 215</gadget>
<output>575</output>
575 m   Required time= 575 * 2/25= 
<gadget id="calculator">575 * 2/25</gadget>
<output>46</output>
46 sec   Answer:46
<result>B</result>
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 215 m long?