$TITLE
How to solve Videos Forum Timed Rankings PDF Print Subscribe   Solution 25 Nov 2021
Easy:
4×4
5×5
Sudoku
Medium:
4×4
5×5
6×6
8×8
Killer
Sudoku
Difficult:
4×4
5×5
6×6
8×8
12×12
Extra
Difficult 8 × 8, Rating: ★★★★★      Solved 150 times
abcdefgh
1 
1-

1
20×

2 mod
2
1 mod
2 
8
3
42×
1 :
5

1 mod

3 
3 mod
0 mod



11+

1 mod
4 


3 mod





5 
2 mod

30×

7+

11+
0 mod
6 
9+

15+

6



7 
1 mod
4


1-

3-
2 mod
8 

2 mod

8

7


Note: this puzzle also uses the modulo operator mod
a mod b = r means that when dividing a by b, the remainder is r. For example, 5 mod 2 = 1, and 3 mod 5 = 3.
Look here for a longer explanation.


total
All puzzles published on this site are © Patrick Min. Send your ideas and suggestions to

Tomorrow's puzzles will appear in  hour(s) and  minute(s).Order puzzles

Articles: the 10 Hardest Logic/Number Puzzles | The 7 Easiest Puzzles | Numerical Intelligence


Server time: Saturday 27 November 2021, 1:24:23 Central European Time. Page processing time: 0.422 sec. Page load time sec.