Question
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
Answer: Option C
- Speed = 45 x 5 m/sec = 25 m/sec. 18 2
Time = 30 sec.
Let the length of bridge be x metres.
Then, 130 + x = 25 30 2
2(130 + x) = 750
x = 245 m.
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- Speed = 45 x 5 m/sec = 25 m/sec. 18 2
Time = 30 sec.
Let the length of bridge be x metres.
Then, 130 + x = 25 30 2
2(130 + x) = 750
x = 245 m.
Was this answer helpful ?
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