Question

The total of all the numbers insides the $3\times 3$ box marked in the calendar given below is .

• A. 145
• B. 155
• C. 135

Answer 1

The correct option is C 135

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 15.
$\bullet$ $9\times 15=135$

$\therefore$ 135 is the total of all the numbers inside the $3\times 3$ box.