Please do NOT post your answer, but do say if you think you have solved the puzzle and how long it took. Solution on Monday.
100 pennies are on a table. 10 are tails. With your eyes closed, how can you separate the pennies into 2 groups such that each group has the same number of tails?
I have produced an ebook containing 101 of the previous Friday Puzzles! It is called PUZZLED
and is available for the Kindle
and USA here
) and on the iBookstore
in the USA here
). You can try 101 of the puzzles for free here