FRAME SUDOKU (7). Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. Digits in the outside frame equal the sum of ...Missing:
8 SUDOKU MOCK TEST SUNDAY, 25. JANUARY 14.30 – 15.58 IST (GMT + 5.30)
LIST OF THE PUZZLES CLASSIC SUDOKU (4) CONSECUTIVE SUDOKU (8) FRAME SUDOKU (7) SUDOKU 100 (7) RUSTIC SUDOKU (10) SUM AROUND SUDOKU (10) 3M SUDOKU (5) SUDOKU PRODUCT (6) SUDOKU EXTRA-REGIONS (8) SUDOKU FISH BONE (6) SUDOKU DIFFERENCE (9) CALCULOKU (8) Total: 88 points Time for solving: 88 minutes
Puzzle author: Nikola Zivanovic
1. CLASSIC SUDOKU (4) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. example:
1 5 7 9 4 1 9 2 5 6 2 1 9 8 4 7 1 6 5
4 6 3 6 7 4 9 8 2 5 8
solution:
8 3 9 7 5 4 1 2 6
7 2 4 9 6 1 8 5 3
6 5 1 8 2 3 4 7 9
3 7 5 4 8 6 9 1 2
1 6 8 2 3 9 7 4 5
4 9 2 5 1 7 3 6 8
9 4 6 3 7 5 2 8 1
2 1 3 6 4 8 5 9 7
5 8 7 1 9 2 6 3 4
2. CONSECUTIVE SUDOKU (8) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. All neighbouring cells with consecutive digits have a border in between. example:
solution:
5 6
4
5 1 2 8 4 3 9 6 7
3 6 7 2 5 9 1 4 8
4 8 9 1 6 7 5 3 2
6 9 8 3 7 5 4 2 1
7 4 1 9 2 8 3 5 6
2 5 3 4 1 6 7 8 9
9 3 6 7 8 4 2 1 5
1 7 5 6 3 2 8 9 4
8 2 4 5 9 1 6 7 3
3. FRAME SUDOKU (7) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. Digits in the outside frame equal the sum of the three numbers of the corresponding row or colum in the contiguos box. example: 22
10
13
11
11
23
12
16
17
3
14
solution: 18
12
15
19
12
16
21
9
19
6
10
18
6
19
18
11
4
21 11
20
14
22
14
9
20
10
15
9 5 8 2 7 3 1 4 6
2 1 7 5 4 6 3 9 8
3 6 4 9 8 1 2 5 7
1 7 3 4 6 2 9 8 5
4 2 5 3 9 8 7 6 1
8 9 6 1 5 7 4 2 3
7 4 1 6 2 5 8 3 9
6 8 2 7 3 9 5 1 4
5 3 9 8 1 4 6 7 2
15
4. SUDOKU 100 (7) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. In each row number combinations in the gray cells will give you exactly a sum 100. example: solution:
6
4
8 1
9 9
2
4 7
1 6
3
1
6 5 3 7 9 4 8 1 2
2 8 9 3 6 1 5 7 4
1 7 4 5 8 2 3 9 6
4 2 5 9 3 8 1 6 7
7 3 8 1 2 6 9 4 5
9 6 1 4 5 7 2 8 3
8 4 6 2 1 5 7 3 9
3 1 2 6 7 9 4 5 8
5 9 7 8 4 3 6 2 1
5. RUSTIC SUDOKU (10) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. Each number combination in the gray squares (from left to right and from top to bottom) is a prime number and each has exactly two distinct divisors: 1 and itself. example:
7
1
4
8 4
5
solution:
7 9
4
1
2
7
9 6
8
9 6
8
2
1
7 9 4 2 6 5 1 8 3
3 2 8 1 4 7 5 9 6
1 6 5 3 8 9 2 4 7
2 3 9 7 1 8 6 5 4
4 1 6 5 9 3 7 2 8
5 8 7 4 2 6 3 1 9
6 5 1 9 3 4 8 7 2
8 4 2 6 7 1 9 3 5
9 7 3 8 5 2 4 6 1
6. SUM AROUND SUDOKU (10) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. Numbers in the gray cells shows the sum of the orthogonally neighbouring cells. example:
3
solution:
9 8
3
1
4 3 1
5 5
4
6
2 7 3
2
7 5
1 6
4 5 8 3 7 9 6 2 1
3 9 7 1 2 6 5 4 8
2 6 1 4 5 8 7 9 3
6 3 2 9 1 4 8 7 5
1 7 4 2 8 5 3 6 9
9 8 5 7 6 3 4 1 2
5 2 6 8 4 1 9 3 7
7 4 3 5 9 2 1 8 6
8 1 9 6 3 7 2 5 4
7. 3M SUDOKU (MINI, MULTI, MATH) (5) Fill in the grid so that every row, column and 2x3 box contains all different digits from 1 to 6. The sums of the numbers on both main diagonals must be equal. example:
3 4
2
solution:
2
2 3 4 1 6 5
3 1 6 3
5 5
4 6 5 2 1 3
1 5 3 6 2 4
1 5
6 3
3 1 2 5 4 6 3 5 2 1
5 2 6 4 3 1 2 6 5 4
6 4 1 3 5 2 1 4 3 6
6 4 5 2 1 3
1 5 4 3 6 2
2 3 6 1 4 5
8. SUDOKU PRODUCT (6) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. Numbers outside the grih shows the product of digits in marked cells. example: *
*
*
*
*
*
* *
*
90
*
*
12
12
*
*
80
160
* *
108
*
*
*
*
72
*
14
solution:
6 56
*
*
*
20
*
27
5
24
7 5 1 4 2 9 8 3 6
9 6 8 7 3 5 1 4 2
3 2 4 1 6 8 9 7 5
5 9 2 3 8 1 7 6 4
8 4 7 9 5 6 2 1 3
1 3 6 2 4 7 5 8 9
2 7 9 6 1 4 3 5 8
4 8 3 5 7 2 6 9 1
6 1 5 8 9 3 4 2 7
9. SUDOKU EXTRA-REGIONS (8) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. All extra-regions must contain each the digits 1 through 9. example:
1
6
5 8 2
9
solution:
4 2
5
3 8
3 9 4 6
5
1
2
1 7 5 3 4 8 2 6 9
2 3 8 5 6 9 1 4 7
6 4 9 7 1 2 3 5 8
3 6 7 9 2 3 8 1 5
4 8 2 1 5 4 9 7 6
9 5 1 8 7 6 4 3 2
5 9 4 2 3 7 6 8 1
7 2 6 4 8 1 5 9 3
8 1 3 6 9 5 7 2 4
7 10. SUDOKU FISH BONE (6) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. All marked diagonals must contains all different digits. example:
2
9 5
8 9
5 1 7
6
2 4
3 9
6 8
4 2
3
1 3 1
1 9 3
5
6 5 4
4 9
solution:
3 5 2 4 9 7 6 1 8
9 4 6 8 1 2 3 7 5
7 8 1 5 6 3 4 9 2
4 9 5 7 8 6 2 3 1
2 6 7 3 5 1 9 8 4
8 1 3 2 4 9 5 6 7
6 7 9 1 2 4 8 5 3
5 3 4 6 7 8 1 2 9
1 2 8 9 3 5 7 4 6
11. SUDOKU DIFFERENCE (9) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. Numbers outside the grid shows the differences between first and last digit in row or column. example:
2 4 2 3 5 3 1 1 5
5 5 1 3 6 7 2 7 3 9 4 7 6 5 9 9 2 1 3 1 2 7 3 7
1 2 solution:
8 6 5 7 4 8 2 3 9 1
9 2 1
9 3 1 5 7 6 8 2 4
8 2 4 3 9 1 5 6 7
5 9 8 1 6 3 4 7 2
3 7 6 8 2 4 1 5 9
1 4 2 9 5 7 6 3 8
7 6 3 2 1 8 9 4 5
2 8 5 6 4 9 7 1 3
4 1 9 7 3 5 2 8 6
12. CALCULOKU (8) Fill in the grid so that every row, column and 3x3 box contains all different digits from 1 to 9. There is a calculation in the gray cells. Last combination is the sum of the all previous combinations in gray cells. example:
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