Question

Solve Sudoku :

What number do you think will fill in the place of $A$?

Rules for Sudoku:
Enter a digit from $1$ through $4$ in each cell, in such a way that:
Each horizontal row contains each digit exactly once.
Each vertical column contains each digit exactly once.
Each sub-grid or region contains each digit exactly once.

• A. $1$
• B. $2$
• C. $3$
• D. $4$

Answer 1

The correct option is B $2$

$\Rightarrow$ $A$ present in First row and second column.

$\Rightarrow$ We know the rules that,

$\left(1\right)$ Each horizontal row contains each digit exactly once.

$\left(2\right)$ Each vertical column contains each digit exactly once.

$\left(3\right)$ Each sub-grid or region contains each digit exactly once.

$\Rightarrow$ We can see $2$ is not present in first row and second column.

$\Rightarrow$ So, the number will fill place of $A$ is $2$

$\therefore$ $A=2$