A train is 560 meter long is running at a speed of 45 km/hour. In what time will it pass a bridge of 140 meter length?  Choose the correct choice from the following
A) 56 seconds
B) 18 seconds
C) 40 seconds
D) 19 seconds
E) 45 seconds
Speed = 45 Km/hr = 45*(5/18) m/sec = 25/2 m/sec   Total distance = 560+140= 
<gadget id="calculator">560+140</gadget>
<output>700</output>
700 meter   Time= Distance/speed   = 700 * (2/25)= 
<gadget id="calculator">700 * (2/25)</gadget>
<output>56</output>
56 seconds   56 secondsnswer: 56 seconds
<result>A</result>
A train is 560 meter long is running at a speed of 45 km/hour. In what time will it pass a bridge of 140 meter length?