A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 165 m long?
Choose one
A) 40
B) 99
C) 88
D) 77
E) 42
:   Speed = 45 * 5/18 = 25/2 m/sec   Total distance covered = 360 + 165= 
<gadget id="calculator">360 + 165</gadget>
<output>525</output>
525 m   Required time= 525 * 2/25= 
<gadget id="calculator">525 * 2/25</gadget>
<output>42</output>
42 sec   Answer:42
<result>E</result>
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 165 m long?