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Difficulty: EasyPuzzle 433

Puzzle IconWhat is represented by this BrainBat?

GLOOOOKD

[Ref: ZHRO]

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Difficulty: EasyPuzzle 434

  • Place letters into the grid such that every row, column, and 2x2 block has letters (in any order) that form a common word.
  • Each letter is only used once, and no letter is repeated in the rows/cols/blocks.
  • Letters allowed: C O L U M B U S.

[Ref: ZWPU] © Alan Stillson and Frank Longo.

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Difficulty: MediumPuzzle 435

Puzzle IconThe BrainBashers mechanical computer is a very sensitive device, it consists of interlocked toothed gear cogs.

The largest cog has 168 teeth and the others have 49, 32 and 15 respectively.

By accident, Daniel started to rotate the largest cog.

How many revolutions must he rotate the largest cog make before the computer is back in its starting position with all of the cogs where they started?

[Ref: ZTFU] Copyrighted

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Difficulty: EasyPuzzle 436

Starting with the 6 in the bottom left corner, what is the highest total you can make, if you only move up or right, using the mathematical signs on the way?

?

[Ref: ZWYX] © Kevin Stone

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