Question

In a bundle of $20$ sticks, there are $4$ sticks each of length $1m50cm$, $10$ sticks each of length $2$ m and each of the rest of length $1$ m. What is the average length of the sticks in the bundle?

• A. $1.2$ m
• B. $1.5$ m
• C. $1.6$ m
• D. $1.8$ m

Answer 1

The correct option is C $1.6$ m

$\frac{4\times 1.5+10\times 2+6\times 1}{20}$
$=\frac{32}{20}=1.6m$