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Puzzle 1

What is the least number of pieces a carpenter can cut the piece of wood below to form a square table top?

Puzzle 2

Is it possible for a carpenter to cut a cube of wood into 27 equal cubes in only six cuts? Is it possible to do it in fewer cuts?

Puzzle 3

A number consisting of three different digits is subtracted from a number made up of the same digits in reverse order.

The result consists of the same three digits in yet another order. What are the three numbers?

Puzzle 4
Can you take six drinking straws and make four triangles all with sides of the same length?
Puzzle 5

What nine digit numerical palindrome when multiplied by itself, produces a seventeen digit numerical palindrome?

Hint: This is a divine number.

Puzzle 6

All of the digits from 0 through 9 appear once in the multiplication problem below. Fill in the missing digits and solve the problem.

? ? ?
x 2 7

Puzzle 7
What is the smallest number that is divisible by 2, 3, 4, 5 and 6 with one digit left over, yet is evenly divided by 7?
Puzzle 8

Place the remaining numbers from 4 to 10 in the seven divisions of the above figure so that the outer divisions total 30 and each geometric figure totals 30.

Puzzle 9

Aeronautics has set many speed and reliability records, yet one aircraft is still unable to fly a distance greater than one mile, despite considerable research.

What class of aircraft is this?

Puzzle 10

How did the carpenter make a cube dovetailed together exactly as shown above?

Puzzle 11

How many regular hexagons does this picture contain?

Puzzle 12
What is a two word anagram for the word ASTRONOMERS that means roughly the same thing?
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© J.L. Read, 1998. All Rights Reserved.





This site is dedicated in loving memory
to its creator, Janet L. Read
1949 — 2000


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