A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long? Select
A) 40	B) 56	C) 41	D) 42	E) 34
Speed = 45 * 5/18 = 25/2 m/sec   Total distance covered = 360 + 140= 
<gadget id="calculator">360 + 140</gadget>
<output>500</output>
500 m   Required time= 500 * 2/25= 
<gadget id="calculator">500 * 2/25</gadget>
<output>40</output>
40 sec   40nswer: Option 40
<result>A</result>
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?