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Puzzle 1

Complete this grid with the digits 1 to 6 to make the sum correct.

Perform each mathematical operation in the order shown, from left to right, e.g. 1 + 2 x 3 is treated as (1 + 2) x 3 = 9.

Note: there is no ÷ 1, and at no point is a decimal or fraction used.

[Ref: ZXLN] © Kevin Stone

Puzzle 2

Each of the following sets of letters can be made into a real word by adding three letters to the beginning, and the same three letters in the same order to the end.

For example, ANGLEM can have ENT added at the start and the end to become ENT + ANGLEM + ENT = ENTANGLEMENT.

ERTAINM
ISCOVE
ROW
IOXID
ROCOS

[Ref: ZTVA] © Elliott Line
This puzzle appeared in Mensa's EnigmaSig (203.08) and is used with permission.

Puzzle 3

Can you complete these 5-letter words?

.S.G.
..R.F
.ZU..
E..X.
.P..C
..LN.
.W..M
...JO
Q...A
.V.K.
I..H.
.B.Y.
..DT.

[Ref: ZCIV] © Kevin Stone

Puzzle 4

How many squares have been placed in the drawing below?

[Ref: ZKPU] © Kevin Stone

Puzzle 5

The BrainBashers safe has a rather unusual control panel. In order to open the safe you have to press every single button once only, in the correct sequence, ending on the button marked E.

Each button clearly states which button to press next, for example, 2U means move up 2 buttons and 3R means move right 3 buttons.

Can you determine which button you must start with?

 2R 2R 4D 2D 1R 2D E 2R 1U 3R 2D 1U 4L 3L 1U 1R 4R 2D 1U 2D 2U 3U 5R 2D 3L 1U 3L 2U 2D 2U 2L 2L 1U 2D 1D 3U 2R 1D 2R 1U 2U 6L 6R 3U 2R 2L 1U 2L 2U

[Ref: ZCBS] © Kevin Stone

Puzzle 6

Using the BrainTracker grid below, how many words can you find? Each word must contain the central T and no letter can be used twice, however, the letters do not have to be connected. Proper nouns are not allowed, however, plurals are. Can you find the nine letter word?

Excellent: 54 words. Good: 40 words. Average: 30 words.

[Ref: ZMOK] © Kevin Stone

Puzzle 7

Below are five book titles.

Each title has had the spaces replaced with extra letters, plus extra letters at the end.

The number of extra letters added equals the length of the previous word. Punctuation has then been added.

For example:
BOOK TITLE >> BOOK****TITLE***** >> BOO, KNIGHT. IT LEAPT UP!

Can you find the titles?

ROME OR OSLO? ANDREW, JULIE, TO VISIT.

WARM TOO FEW, THE SUBWORLD SNEEZES

AN I MALE? MYSELF, ARM, AND I?

GO NEXT, GO! WITHOUT OTHER I DWINDLE. GO!

WATER. SHIP, BOAT. STORM! DOWN SINK!

BRAVERY IN A NEW AGE, WORLD'S HOPE.

[Ref: ZZEC] © Kevin Stone

Puzzle 8

Three teachers were discussing how long they had been teaching.

Adrian and Betty had been teaching for a total of 36 years.

Charles and Betty had been teaching for a total of 22 years.

Charles and Adrian had been teaching for a total of 28 years.

How long had each been teaching?

[Ref: ZKLD] © Kevin Stone

Puzzle 9

Place a horizontal or a vertical line into every blank square.

Each number tells you the total length of the lines connected to that square.

[Ref: ZFLF] © Johan de Ruiter
Visit www.puzzlepicnic.com for more Wall Puzzles.

Puzzle 10

I have a machine which has four sequential cog wheels in constant mesh.

The largest cog has 81 teeth and the others have 52, 36 and 20 respectively.

What is the fewest number of revolutions the largest cog must make so that all of the cogs are back in their starting position?

[Ref: ZAVS] © Kevin Stone

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