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A train is 125 m long. If the train takes 30 seconds to cross a tree by the railway line, then the speed of the train is:
5Q:
A train is 125 m long. If the train takes 30 seconds to cross a tree by the railway line, then the speed of the train is:
- 114 km/hr.false
- 215 km/hrtrue
- 316 km/hrfalse
- 412 km/hr.false
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