Question

A boy running at an average speed of $4km/hr$ reaches school from his home in $\frac{1}{2}hr$. The distance of the school from his home is

• A. $2km$
• B. $8km$
• C. $4km$
• D. $6km$

Answer 1

Answer: (A)

$2km$

Given:

Average speed of the boy $v=4km/h$
Time taken $t=\frac{1}{2}$hour

Distance $D=?$

We know that $Speed\left(v\right)=\frac{Distance\left(D\right)}{Time\left(t\right)}$

$\Rightarrow Distance\left(D\right)=4\times \frac{1}{2}$

$\Rightarrow Distance\left(D\right)=2km$