A train 360 m long is running at a speed of 54 km/hr. In what time will it pass a bridge 140 m long?  Choose the correct choice from the following choices:  A) 40 sec  B) 11 sec  C) 88 sec  D) 33.33 sec  E) 10 sec
Speed = 54 * 5/18= 
<gadget id="calculator">54 * 5/18</gadget>
<output>15</output>
15 m/sec   Total distance covered= 360 + 140= 
<gadget id="calculator">360 + 140</gadget>
<output>500</output>
500 m   Required time= 500 * 1/15 = 33.33 sec   Answer: 33.33 sec
<result>D</result>
A train 360 m long is running at a speed of 54 km/hr. In what time will it pass a bridge 140 m long?