Quick Answer. The average human head weighs 10 to 11 pounds. That is about 8 percent of the weight of a human body. The average adult human brain only weighs about 3 pounds, so most of the weight in the head consists of the skull and other fluids. Continue Reading.
Futoshiki: 1  is also known under the name Unequal. 2  is a puzzle playable on a square board having fixed dimensions (5x5 for example). 3  each board square must ultimately contain a digit from 1 up to the board dimension. 4  on each row or column, each digit must appear exactly once.
There is one unique solution to each futoshiki on the puzzle club that you can reach without guessing (just my logic) and applying standard sudoku rules, remembering of course there is no equivalent to the 3 x 3 boxes in futoshiki.