A train is 360 meter long is running at a speed of 45 km/hour. In what time will it pass a bridge of 140 meter length?  Options.
A) 27 seconds  B) 29 seconds  C) 40 seconds  D) 11 seconds  E) 12 seconds
Speed = 45 Km/hr = 45*(5/18) m/sec = 25/2 m/sec   Total distance = 360+140= 
<gadget id="calculator">360+140</gadget>
<output>500</output>
500 meter   Time= Distance/speed   = 500 * (2/25)= 
<gadget id="calculator">500 * (2/25)</gadget>
<output>40</output>
40 seconds   Answer:40 seconds
<result>C</result>
A train is 360 meter long is running at a speed of 45 km/hour. In what time will it pass a bridge of 140 meter length?