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A train 50 m long passes over a bridge at a speed of 30 km / hr. If it takes 36 s to cross the bridge , the length of the bridge is ?1. 100 m2. 200 m3. 250 m4. 300 m

Answer» A train 50 m long passes over a bridge at a speed of 30 km / hr. If it takes 36 s to cross the bridge , the length of the bridge is ?
1. 100 m
2. 200 m
3. 250 m
4. 300 m


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