A train,130 metres long travels at a speed of 45 km/hr crosses a bridge in 30 seconds. What is the length of the bridge?  Choose the correct choice from the following choices.
A) 210	B) 225	C) 235	D) 245	E) 260
Speed =45 km/hr=45×5/18 m/s =12.5 m/s 245istance travelled = (Speed x Time)   245istance travelled = 12.5×30=375 m   length of the bridge = 375-130= 
<gadget id="calculator">375-130</gadget>
<output>245</output>
245 m   Answer: 245
<result>D</result>
A train,130 metres long travels at a speed of 45 km/hr crosses a bridge in 30 seconds. What is the length of the bridge?