A train, 130130 metres long travels at a speed of 4545 km/hr crosses a bridge in 3030 seconds. The length of the bridge is  Choose the most appropriate option
A) 270 metres B) 245 metres C) 235 metres D) 220 metres E) 260 metres
Explanation:   Solution 1Speed =45 km/hr=45Ã—518 m/s=12.5 m/s=45 km/hr=45Ã—518 m/s=12.5 m/s   Time =30 s=30 s   Distance travelled =12.5Ã—30=375 m=12.5Ã—30=375 m   Length of the bridge =375âˆ’130=245 m   ANSWER IS 245 metres
<result>B</result>
A train, 130130 metres long travels at a speed of 4545 km/hr crosses a bridge in 3030 seconds. The length of the bridge is