A train is 360 meter long is running at a speed of 60 km/hour. In what time will it pass a bridge of 140 meter length?
Choose the correct answer:
A) 87  B) 69  C) 30  D) 72  E) 21
Speed = 60 Km/hr = 60*(5/18) m/sec = 50/3 m/sec   Total distance = 360+140= 
<gadget id="calculator">360+140</gadget>
<output>500</output>
500 meter   Time= Distance/speed   = 500 * (3/50)= 
<gadget id="calculator">500 * (3/50)</gadget>
<output>30</output>
30 seconds   Answer: 30
<result>C</result>
A train is 360 meter long is running at a speed of 60 km/hour. In what time will it pass a bridge of 140 meter length?