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

Answer 1

(b) $1\frac{1}{2}$

$\sqrt{2\frac{1}{4}}=\sqrt{\frac{9}{4}}=\frac{\sqrt{9}}{\sqrt{4}}=\frac{3}{2}=1\frac{1}{2}$