A train is 360 meter long is running at a speed of 72 km/hour. In what time will it pass a bridge of 140 meter length?
Choose the correct choice.
A) 11 seconds B) 38 seconds C) 40 seconds D) 25 seconds E) 19 seconds
Speed = 72 Km/hr = 72*(5/18) m/sec = 20 m/sec   Total distance = 360+140= 
<gadget id="calculator">360+140</gadget>
<output>500</output>
500 meter   Time= 25 secondsistance/speed   = 500 * (1/20)= 
<gadget id="calculator">500 * (1/20)</gadget>
<output>25</output>
25 seconds   Answer: 25 seconds
<result>D</result>
A train is 360 meter long is running at a speed of 72 km/hour. In what time will it pass a bridge of 140 meter length?