Question
A person croses a 600 m long street in 5 minutes. What is his speed in km per hour?
A person croses a 600 m long street in 5 minutes. What is his speed in km per hour?
Answer: Option B
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Speed=(600/5x60)m/sec
= 2 m/sec
=(2 x 18/5)km/hr
=7.2 km/hr.
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