Question

A person crosses a 200 m long road in 2 minutes. what is his speed in km per hours? ​

Answer 1

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$200 \: m = \frac{200}{1000} km \: = 0.2km$

$2 \: min \: = \frac{2}{60} hours \: = 0.03 \: hrs$

$speed \: = 0.02 \: km + 0.03 \: hr \: = 0.05 \: km/hr$

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