A train is 360 meter long is running at a speed of 90 km/hour. In what time will it pass a bridge of 140 meter length?  Choose the correct choice from the following options.
A) 27 seconds B) 29 seconds C) 40 seconds D) 11 seconds E) 20 seconds
Speed = 90 Km/hr = 90*(5/18) m/sec = 25 m/sec   Total distance = 360+140= 
<gadget id="calculator">360+140</gadget>
<output>500</output>
500 meter   Time= Distance/speed   = 500 * (1/25)= 
<gadget id="calculator">500 * (1/25)</gadget>
<output>20</output>
20 seconds   Answer:20 seconds
<result>E</result>
A train is 360 meter long is running at a speed of 90 km/hour. In what time will it pass a bridge of 140 meter length?