A train 360 m long is running at a speed of 48 km/hr. In what time will it pass a bridge 140 m long? Choose the most appropriate option: A) 40 sec B) 11 sec C) 37.5 sec D) 19 sec E) 10 sec
Speed = 48 * 5/18 = 40/3 m/sec   Total distance covered = 360 + 140= 
<gadget id="calculator">360 + 140</gadget>
<output>500</output>
500 m   Required time= 500 * 3/40= 
<gadget id="calculator">500 * 3/40</gadget>
<output>75/2 = around 37.5</output>
37.5 sec   Answer: 37.5 sec
<result>C</result>
A train 360 m long is running at a speed of 48 km/hr. In what time will it pass a bridge 140 m long?