Question

How many natural numbers lie between the squares of ${12}^2$ and ${13}^2$ ?

• A. $24$
• B. $25$
• C. $12$
• D. $13$

Answer 1

The correct option is A $24$

${12}^2=144$
${13}^2=169$
Now,
$169-144=25$
$25-1=24$
So, $24$ numbers lying between ${12}^2,{13}^2$