Question

Find the total of all the numbers insides the $3\times 3$ box marked in the calendar given below:

Answer 1

Easy way to find the total of all the numbers inside the $3\times 3$ box inside the calendar:
$\bullet$ Select the middle number.
$\bullet$ Multiply it with 9.
$\therefore$ The answer is the total.

In this case,
$\bullet$ Middle number is 13.
$\bullet$ $9\times 13=117$

$\therefore$ 117 is the total of all the numbers inside the $3\times 3$ box.