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4. | The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is? | |
A. | 200 m | |
B. | 225 m | |
C. | 245 m | |
D. | 250 m | |
Answer: Option C | ||||||||||||||||||
Explanation: | ||||||||||||||||||
Time = 30 sec. Let the length of bridge be x metres.
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