A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 240 m long?	Options:
A) 40
B) 99
C) 48
D) 77
E) 21
:   Speed = 45 * 5/18 = 25/2 m/sec   Total distance covered = 360 + 240= 
<gadget id="calculator">360 + 240</gadget>
<output>600</output>
600 m   Required time= 600 * 2/25= 
<gadget id="calculator">600 * 2/25</gadget>
<output>48</output>
48 sec   Answer:48
<result>C</result>
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 240 m long?