HEADS OR TAILS.

Crooks, an inveterate gambler, at Goodwood recently said to a friend, "I'll bet you half the money in my pocket on the toss of a coin--heads I win, tails I lose." The coin was toss...

Math Puzzle Math Puzzle Questions Money Puzzles
5,899 views
THE SQUARE OF VENEER.

The following represents a piece of wood in my possession, 5 in. square. By markings on the surface it is divided into twenty-five square inches. I want to discover a way of cuttin...

Math Puzzle Math Puzzle Questions Various Dissection Puzzles
5,895 views
COUNTER CROSSES.

All that we need for this puzzle is nine counters, numbered 1, 2, 3, 4, 5, 6, 7, 8, and 9. It will be seen that in the illustration A these are arranged so as to form a Greek cross...

Math Puzzle Math Puzzle Questions Combination and Group Problems
5,894 views
DRAWING A SPIRAL.

If you hold the page horizontally and give it a quick rotary motion while looking at the centre of the spiral, it will appear to revolve. Perhaps a good many readers are acquainted...

Math Puzzle Math Puzzle Questions Patchwork Puzzles
5,894 views
THE JOINER'S PROBLEM.

I have often had occasion to remark on the practical utility of puzzles, arising out of an application to the ordinary affairs of life of the little tricks and "wrinkles" that we l...

Math Puzzle Math Puzzle Questions Various Dissection Puzzles
5,885 views
MIXING THE TEA.

"Mrs. Spooner called this morning," said the honest grocer to his assistant. "She wants twenty pounds of tea at 2s. 41/2d. per lb. Of course we have a good 2s. 6d. tea, a slightly...

Math Puzzle Math Puzzle Questions Measuring, Weight, and Packing Puzzles.
5,880 views
THE CONE PUZZLE.

I have a wooden cone, as shown in Fig. 1. How am I to cut out of it the greatest possible cylinder? It will be seen that I can cut out one that is long and slender, like Fig. 2, or...

Math Puzzle Math Puzzle Questions Patchwork Puzzles
5,879 views
A PRINTER'S ERROR.

In a certain article a printer had to set up the figures 5^4x2^3, which, of course, means that the fourth power of 5 (625) is to be multiplied by the cube of 2 (8), the product of...

Math Puzzle Math Puzzle Questions Money Puzzles
5,874 views
THE FARMER AND HIS SHEEP.

Farmer Longmore had a curious aptitude for arithmetic, and was known in his district as the "mathematical farmer." The new vicar was not aware of this fact when, meeting his worthy...

Math Puzzle Math Puzzle Questions Money Puzzles
5,867 views
ADDING THE DIGITS.

If I write the sum of money, L987, 5s. 41/2d., and add up the digits, they sum to 36. No digit has thus been used a second time in the amount or addition. This is the largest amoun...

Math Puzzle Math Puzzle Questions Money Puzzles
5,863 views
FIFTEEN LETTER PUZZLE.

ALE FOE HOD BGN CAB HEN JOG KFM HAG GEM MOB BFH FAN KIN JEK DFL JAM HIM GCL LJH AID JIB FCJ NJD OAK FIG HCK MLN BED OIL MCD BLK ICE CON DGK The above is the solution of a puzzle I...

Math Puzzle Math Puzzle Questions Combination and Group Problems
5,860 views
THE EIGHT ENGINES.

The diagram represents the engine-yard of a railway company under eccentric management. The engines are allowed to be stationary only at the nine points indicated, one of which is...

Math Puzzle Math Puzzle Questions Moving Counter Problem
5,859 views
THE TIRING IRONS.

The illustration represents one of the most ancient of all mechanical puzzles. Its origin is unknown. Cardan, the mathematician, wrote about it in 1550, and Wallis in 1693; while i...

Math Puzzle Math Puzzle Questions Unclassified Problems.
5,859 views
THE EIGHT STICKS.

I have eight sticks, four of them being exactly half the length of the others. I lay every one of these on the table, so that they enclose three squares, all of the same size. How...

Math Puzzle Math Puzzle Questions Patchwork Puzzles
5,858 views
THE POTATO PUZZLE.

Take a circular slice of potato, place it on the table, and see into how large a number of pieces you can divide it with six cuts of a knife. Of course you must not readjust the pi...

Math Puzzle Math Puzzle Questions Various Dissection Puzzles
5,857 views
THE CLOTHES LINE PUZZLE.

A boy tied a clothes line from the top of each of two poles to the base of the other. He then proposed to his father the following question. As one pole was exactly seven feet abov...

Math Puzzle Math Puzzle Questions Patchwork Puzzles
5,853 views
QUEER CHESS.

Can you place two White rooks and a White knight on the board so that the Black king (who must be on one of the four squares in the middle of the board) shall be in check with no p...

Math Puzzle Math Puzzle Questions The Guarded Chessboard
5,851 views
THREE MEN IN A BOAT.

A certain generous London manufacturer gives his workmen every year a week's holiday at the seaside at his own expense. One year fifteen of his men paid a visit to Herne Bay. On th...

Math Puzzle Math Puzzle Questions Combination and Group Problems
5,851 views
THE SEE-SAW PUZZLE.

Necessity is, indeed, the mother of invention. I was amused the other day in watching a boy who wanted to play see-saw and, in his failure to find another child to share the sport...

Math Puzzle Math Puzzle Questions Money Puzzles
5,849 views
Plato And The Nines

Both in ancient and in modern times the number nine has been considered to possess peculiarly mystic qualities. We know, for instance, that there were nine Muses, nine rivers of Ha...

Math Puzzle Math Puzzle Questions MISCELLANEOUS PUZZLES
5,842 views
Lady Isabel's Casket

Sir Hugh's young kinswoman and ward, Lady Isabel de Fitzarnulph, was known far and wide as "Isabel the Fair." Amongst her treasures was a casket, the top of which was perfectly squ...

Math Puzzle Math Puzzle Questions THE MERRY MONKS OF RIDDLEWELL
5,841 views
A NEW MATCH PUZZLE.

In the illustration eighteen matches are shown arranged so that they enclose two spaces, one just twice as large as the other. Can you rearrange them (1) so as to enclose two four-...

Math Puzzle Math Puzzle Questions Patchwork Puzzles
5,841 views
THE MILKMAID PUZZLE.

Here is a little pastoral puzzle that the reader may, at first sight, be led into supposing is very profound, involving deep calculations. He may even say that it is quite impossib...

Math Puzzle Math Puzzle Questions Patchwork Puzzles
5,840 views
THE ROOKERY.

The White rooks cannot move outside the little square in which they are enclosed except on the final move, in giving checkmate. The puzzle is how to checkmate Black in the fewest p...

Math Puzzle Math Puzzle Questions The Guarded Chessboard
5,840 views
THE CROSS OF CARDS.

In this case we use only nine cards--the ace to nine of diamonds. The puzzle is to arrange them in the form of a cross, exactly in the way shown in the illustration, so that the pi...

Math Puzzle Math Puzzle Questions Problems Concerning Games.
5,838 views
THE TEN APPLES.

The family represented in the illustration are amusing themselves with this little puzzle, which is not very difficult but quite interesting. They have, it will be seen, placed six...

Math Puzzle Math Puzzle Questions Moving Counter Problem
5,837 views
THE SAILOR'S PUZZLE.

The sailor depicted in the illustration stated that he had since his boyhood been engaged in trading with a small vessel among some twenty little islands in the Pacific. He supplie...

Math Puzzle Math Puzzle Questions Unicursal and Route Problems
5,835 views
Romeo And Juliet

For some time we tried to make these little reptiles perform the feat allotted to them, and failed. The Professor, however, would not give away his solution, but said he would inst...

Math Puzzle Math Puzzle Questions THE PROFESSOR'S PUZZLES
5,833 views
A MIXED PEDIGREE.

Joseph Bloggs: "I can't follow it, my dear boy. It makes me dizzy!" John Snoggs: "It's very simple. Listen again! You happen to be my father's brother-in-law, my brother's father-i...

Math Puzzle Math Puzzle Questions Money Puzzles
5,822 views
PLATES AND COINS.

Place twelve plates, as shown, on a round table, with a penny or orange in every plate. Start from any plate you like and, always going in one direction round the table, take up on...

Math Puzzle Math Puzzle Questions Moving Counter Problem
5,821 views