Name: Example on Interchanging the Digits of a Number
Uploaded: 2019-07-19
Duration: 2 min 28 s
Description: If a problem involves interchanging the digits in an integer, you would need to convert its digits to numbers and vice versa. Watch the video to learn about...

Question

Sudoku: Fill in the grid so that every horizontal row, every vertical column and every $3 \times 3$ box contains the digits $1 ‐ 9$ , without repeating the numbers in the same row, column or box. You can't change the digits already given in the grid.

Accepted Answer

Given to fill in the grid so that every horizontal row, every vertical column and every $3 \times 3$ box contains the digits $1 ‐ 9$ , without repeating the numbers in the same row, column or box.

In the first row, fill $8, 5, 6, 4, 7, 1$ and $2$ from the left end.

In the second row, fill $1, 3, 2, 9, 4$ and $6$ from the left end.

In the third row, fill $7, 6, 3, 8$ and $5$ from the left end.

In the fourth row, fill $4, 9, 7, 1, 6$ and $3$ from the left end.

In the fifth row, fill $1, 7, 8, 5$ and $9$ from the left end.

In the sixth row, fill $2, 4, 6, 9, 8$ and $1$ from the left end.

In the seventh row, fill $7, 4, 1, 3$ and $9$ from the left end.

In the eighth row, fill $3, 9, 8, 5, 4$ and $7$ from the left end.

In the ninth row, fill $5, 6, 2, 8, 1, 3$ and $9$ from the left end.

Hence, the complete figure is shown below:

Sudoku: Fill in the grid so that every horizontal row, every vertical column and every $3 \times 3$ box contains the digits $1 ‐ 9$ , without repeating the numbers in the same row, column or box. You can't change the digits already given in the grid.

Important Questions on Playing with Numbers

Learn and Prepare for any exam you want !

Sudoku: Fill in the grid so that every horizontal row, every vertical column and every 3×3 box contains the digits 1‐9, without repeating the numbers in the same row, column or box. You can't change the digits already given in the grid.

Important Questions on Playing with Numbers

Learn and Prepare for any exam you want !

Sudoku: Fill in the grid so that every horizontal row, every vertical column and every $3 \times 3$ box contains the digits $1 ‐ 9$ , without repeating the numbers in the same row, column or box. You can't change the digits already given in the grid.