A train 210 m long took 12 second to pass 90m long tunnel.find the speed of the train
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Answer:
speed of train = 25 m/sec
Step-by-step explanation:
we know that,
speed = total distance / total time
so,
speed = (210+90)/12
= 300/12
= 25 m/sec
speed of train = 25 m/sec.
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