What number should replace the question mark below?
From Brain Games Puzzle Calendar 2021 by Frank Coussement and Peter de Schepper, Calendar Ink, Austin TX. Puzzle for July 3-4.
# squares # squares # squares # squares
to the left above to the right below
5225 => 5 2 2 5
1364 => 1 3 6 4
2651 => 2 6 5 1
? => 4 5 3 2
Consequently, the required number replacing the mark of interrogation must be 4532.
Edited on February 19, 2022, 4:06 am