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Difficulty: Hard

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Puzzle 351

Your objective is to place some diagonal 'mirrors' into the grid.

If a ray of light is shone in to the grid from each of the letters, and allowed to bounce off the internal diagonal mirrors, each will exit the grid at the twin of the letter that it entered the grid. For example, a ray entering at either letter D will bounce off some mirrors and exit the grid at the other letter D.

Each row and each column will contain exactly two of the diagonal mirrors.

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[Ref: ZBTC] © Elliott Line
This puzzle appeared in Mensa's EnigmaSig (196.26) and is used with permission.
 



Difficulty: Easy

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Puzzle 352

How can you get ten horses into nine stables, one per stable?

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[Ref: ZNSN] Submitted by Justin Thomas. 



Difficulty: Medium

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Puzzle 353

Last week, I travelled from London to Stoke.

On the first day I travelled one half of the distance.

On day two, I travelled one third of the remaining distance.

On day three, I travelled three quarters of the remaining distance.

Yesterday I travelled one half of the remaining distance.

I now have 5 miles left to travel.

How far is it from Stoke to London in total?

Puzzle Image

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[Ref: ZRBH] © Kevin Stone 



Difficulty: Hard

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Puzzle 354

What is represented by this BrainBat?

ABCDEFGHIJKLMNOPQRSTUVWYZ
QQQQQQQQQQQQQQQQQQQQQQQQQ

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[Ref: ZJGC] © Kevin Stone 



Difficulty: Easy

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Puzzle 355

Using the BrainTracker grid below, how many words can you find? Each word must contain the central W 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: 44 words. Good: 32 words. Average: 24 words.

BrainTracker Image

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[Ref: ZXZV] © Kevin Stone 


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