Question

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

• A. 90
• B. 80
• C. 77
• D. 56

Answer 1

The correct option is A 90

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 10.
2. $9\times 10=90$

$\therefore$ 90 is the total of all the numbers inside the $3\times 3$ box.