The Folded Cross.
Cut out of paper a Greek cross; then so fold it that with a single
straight cut of the scissors the four pieces produced will form a
square....

Digital Multiplication.
Here is another entertaining problem with the nine digits, the nought
being excluded. Using each figure once, and only once, we can form two
multiplication sums that have the same product, and this may be done ...

The Barrels Of Honey.
Once upon a time there was an aged merchant of Bagdad who was much
respected by all who knew him. He had three sons, and it was a rule of
his life to treat them all exactly alike. Whenever one received a
presen...

The Four Elopements.
Colonel B was a widower of a very taciturn disposition. His
treatment of his four daughters was unusually severe, almost cruel, and
they not unnaturally felt disposed to resent it. Being charming girls
with...

Under The Veil.
[Illustration:
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   V  E  I  L   
+++++++++
   I  L  V  E   
+++++++++
...

The English Tour
This puzzle has to do with railway routes, and in these days of much travelling should prove useful. The map of...

A Problem In Squares.
We possess three square boards. The surface of the first contains five
square feet more than the second, and the second contains five square
feet more than the third. Can you give exact measurements for the sid...

The Dovetailed Block.
Here is a curious mechanical puzzle that was given to me some years ago,
but I cannot say who first invented it. It consists of two solid blocks
of wood securely dovetailed together. On the other two vertical s...

The Village Simpleton.
A facetious individual who was taking a long walk in the country came
upon a yokel sitting on a stile. As the gentleman was not quite sure of
his road, he thought he would make inquiries of the local inhabitant...

The Christmasboxes.
Some years ago a man told me he had spent one hundred English silver
coins in Christmasboxes, giving every person the same amount, and it
cost him exactly L1, 10s. 1d. Can you tell just how many persons
receiv...

The Mystic Eleven.
Can you find the largest possible number containing any nine of the ten
digits (calling nought a digit) that can be divided by 11 without a
remainder? Can you also find the smallest possible number produced in
...

The Cross And The Triangle
Cut a Greek cross into six pieces that will form an equilateral
triangle. This is another hard problem, and I will state here that a
solution is practically impossible without a previous knowledge of my
meth...

Slow Cricket.
In the recent county match between Wessex and Nincomshire the former
team were at the wickets all day, the last man being put out a few
minutes before the time for drawing stumps. The play was so slow that
most...

Mrs. Timpkins's Age.
Edwin: "Do you know, when the Timpkinses married eighteen years ago
Timpkins was three times as old as his wife, and today he is just twice
as old as she?"
Angelina: "Then how old was Mrs. Timpkins on the wedd...

Odd And Even Digits.
The odd digits, 1, 3, 5, 7, and 9, add up 25, while the even figures, 2,
4, 6, and 8, only add up 20. Arrange these figures so that the odd ones
and the even ones add up alike. Complex and improper fractions an...

Find Ada's Surname.
This puzzle closely resembles the last one, my remarks on the solution
of which the reader may like to apply in another case. It was recently
submitted to a Sydney evening newspaper that indulges in "intellect
...

The City Luncheons.
Twelve men connected with a large firm in the City of London sit down to
luncheon together every day in the same room. The tables are small ones
that only accommodate two persons at the same time. Can you show ...

The Tabletop And Stools.
I have frequently had occasion to show that the published answers to a
great many of the oldest and most widely known puzzles are either quite
incorrect or capable of improvement. I propose to consider the old ...

Find The Man's Wife.
One summer day in 1903 I was loitering on the Brighton front, watching
the people strolling about on the beach, when the friend who was with me
suddenly drew my attention to an individual who was standing alone...

Linoleum Cutting.
The diagram herewith represents two separate pieces of linoleum. The
chequered pattern is not repeated at the back, so that the pieces cannot
be turned over. The puzzle is to cut the two squares into four piece...
