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A car goes 20 metres in a second Find its speed...

This question belongs to Arithmetic Ability Speed Time And Distance
Speed Time and Distance
?

A car goes 20 metres in a second. Find its speed in km/hr.

Answer & Solution
Correct Answer: Option C
As we know :
⇒ 1 m/s = $$\frac{{18}}{5}$$ km/hr
⇒ 20 m/s = $$\frac{{18}}{5}$$ × 20 km/hr
                = 72 km/hr
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1 Comment
Rakesh Pujhari
Rakesh Pujhari 5 years ago
Where the 18/5 comes
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