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Puzzle 1 


Bank Robbery #2all logic puzzles

After a local bank robbery, four suspects were interviewed. Below is a summary of their statements.

The police know that each of them told the truth in one of the statements, but lied in the other.

From this information, can you tell who committed the crime?

   Ashley said:
      It wasn't Drew
      It wasn't Billie

   Billie said:
      It wasn't Casey
      It was Drew

   Casey said:
      It was Ashley
      It wasn't Drew

   Drew said:
      It was Casey
      It wasn't Ashley

Puzzle Copyright © Kevin Stone

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Puzzle 2 


Can you complete this grid of letters?

Each line is a valid 5-letter word with its first and last letter missing.

The missing letters form a word when read downwards, and the same word appears both at the start and at the end.

What is the missing word?

Note: this puzzle is not interactive, and the squares cannot be clicked.

Puzzle Copyright © Kevin Stone

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Puzzle 3 


During the recent BrainBashers cipher convention, a binary code contest took place.

The contest consisted of a binary code transmission where the spaces between the letters were missing and there was no punctuation.

Each letter of the alphabet was translated into its binary equivalent based on its position in the alphabet. The resulting code was then blocked in groups of five digits.
a=1, b=10, c=11, d=100, e=101, f=110, g=111, h=1000, i=1001, j=1010, k=1011, l=1100, m=1101, n=1110, o=1111, p=10000, q=10001, r=10010, s=10011, t=10100, u=10101, v=10110, w=10111, x=11000, y=11001, z=11010

Can you find 10 countries?
10101 10000 11110 10111 11100 10110 011 10000 11111 10011 11010 0 11010 01011 11011 101 11100 01001 11001 01 11011 11110 01011 11111 11111 11010 11101 10100 11 10100 11111 11011 11 10000 11110 11101 1 11011 11111 10111 11111 10010 011

Puzzle Copyright © Kevin Stone

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Puzzle 4 


Which pair of letters comes next in this sequence:

on · et · wo · th · re · ef · ou · ?

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