A train travels 800 metres in 40 seconds . Find the speed of train in km/h . *
82 km/h
92 km/h
62 km/h
72 km/h
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Answer:
We have distance = 800 m = 0.8 km.
time = 2 minutes 40 seconds = 0.044 hr.
speed = 0.8/0.044 = 18.18 km/hr.
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