Question: Tick (✓) the correct answer
$\sqrt{2 \frac{1}{4}}=?$
(a) $2 \frac{1}{2}$
(b) $1 \frac{1}{2}$
(c) $1 \frac{1}{4}$
(d) none of these
Solution:
(b) $1 \frac{1}{2}$
$\sqrt{2 \frac{1}{4}}=\sqrt{\frac{9}{4}}=\frac{\sqrt{9}}{\sqrt{4}}=\frac{3}{2}=1 \frac{1}{2}$
