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Subject :NSO    Class : Class 7

A train crosses a bridge with constant velocity in 50 s as shown here. As the train crosses the bridge, the train covers a distance equal to its length and additional distance equal to the length of the bridge to cross it.

Select the correct statement.

AThe distance travelled by the train is 100 m.
BIf the train moving with speed 54 km/hr, then the time taken to cross the bridge is 20 s.
CSpeed of the train is 6 m/s
DAll of these


How can it be Option D when the answer is clearly option C?

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