Question

What is the total of all the numbers inside the $3\times 3$ box marked in the calendar given below?

• A. 16
• B. 144
• C. 169
• D. 104

Answer 1

The correct option is B 144

Easy way to find the total of all the numbers inside the $3\times 3$ box inside the calendar:

1. Select the middle number.
2. Multiply it with 9.

$\therefore$ The answer is the total.
In this case,
1. Middle number is 16.
2. $9\times 16=144$

$\therefore$ 144 is the total of all the numbers inside the $3\times 3$ box.