Question

A cyclist travels 100 m in 50 sec. What is his speed in km/h?

Answer 1

Hi friend,

Here is your answer,
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Distance = 100 m 
Time = 50 seconds
Speed = ¹⁰⁰/₅₀
           = 2m/s
           = 2 * 18/5
           = 7.2 km/h
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