Question

Find the square root of $1\frac{5}{16}$ correct to two decimal places

• A. $1.14$
• B. $1.15$
• C. $1.65$
• D. $1.12$

Answer 1

Answer: (B)

$1.15$

$1\frac{15}{16}$

$=\frac{21}{16}$
$=1.3125$

$1$ $1$	$1.3125$ $1$
$21$ $1$	$31$ $21$
$224$ $4$	$1025$ $896$
$2285$	$12900$ $11425$ $1475$

Therefore,
Square root of $1\frac{15}{16}=1.145$
$=1.15$