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

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

A. 20 km/hr

B. 18 km/hr

C. 72 km/hr

D. 36 km/hr

Answer: Option C

Solution(By Examveda Team)

As we know :
⇒ 1 m/s = $$\frac{{18}}{5}$$ km/hr
⇒ 20 m/s = $$\frac{{18}}{5}$$ × 20 km/hr
= 72 km/hr

This Question Belongs to Arithmetic Ability >> Speed Time And Distance

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Comments ( 1 )

Rakesh Pujhari :

2 years ago

Where the 18/5 comes

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