a man covers a distance of 90m in 1min. what is his speed in km/h
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Answer:
90m in 1min.
90 m in 60 secs
90 m to km = 90/1000
=0.09km
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90m in 1min.
90 m in 60 secs
60 secs to hour = 0.016666667 Hours
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