A train is 360 meter long is running at a speed of 50 km/hour. In what time will it pass a bridge of 140 meter length.  Choose the most appropriate option.
A) 26 seconds  B) 36 seconds  C) 46 seconds  D) 56 seconds  E) None of these
Explanation:   Speed = 50 Km/hr = 50*(5/18) m/sec   = 125/9 m/sec   Total distance = 360+140= 
<gadget id="calculator">360+140</gadget>
<output>500</output>
500 meter   Time= Distance/speed   =500/125/9 = 36 seconds   Answer: 36 seconds
<result>B</result>
A train is 360 meter long is running at a speed of 50 km/hour. In what time will it pass a bridge of 140 meter length.