Question

a cyclist cover 0.9km in 3 minutes find the speed in km/hr​

Answer 1

$Distance$ = 0.9 km

$Time$ = 3 minutes

= $=\frac{3}{60}\ hours\\ \\\\ \frac{1}{12}\ hours$

As we know

$Speed =\frac{Distance}{Time}$

Thus,

$= \frac{0.9}{\frac{1}{20} } \\\\\\= 18\ km/h$