Telegraphs poles on a roadside are 50 m apart.A person sitting in the train running at 48 kmph started counted the poles as he was passing them.How many poles did he pass in the next minute
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60min=48km=48000m
1min=48000/60=8000
no of poles=8000/50=400
1min=48000/60=8000
no of poles=8000/50=400
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