Question

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

• A. 212
• B. 189
• C. 176
• D. 179

Answer 1

The correct option is B 189

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 21.
2. $9\times 21=144$

$\therefore$ 189 is the total of all the numbers inside the $3\times 3$ box.