## Puzzles from Raymond Smullyan

"Professor Smullyan was a serious mathematician, with the publications and the doctorate to prove it. But his greatest legacy may be the...

## Math Puzzle 5.

In a rectangular dance hall, how do you place 10 chairs along the walls so that there are equal number of chairs alongside each wall?...

## Math Puzzle 4. [few solutions]

Here are a few solutions. Solution 1. Solution 2. Solution 3. When you remove 10 pieces and still keep each row and column even. #math...

## Math Puzzle 4.

KEEP IT EVEN ! Take 16 small objects (for example coins, magnets, pieces of paper, etc.) and put them in four rows of 4 as it shown on...

## Math Puzzle 3.

Correct The Error ! With 12 matches form the "equation" shown bellow. V I - I V = I X The "equation" shows (with roman numerals) that...

## Math Puzzle 2.

Place three piles of matches (coins, or something small, that you can group together easily) on the table. Make one pile with 11 matches,...

## Math Puzzle 1.

Moving Checkers Place 6 checkers on a table in a row, alternating them black, white, black, white, and so on as shown. Leave a vacant...