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  • Spy codes
    48.9K 781 6

    A list of many alphabetical and numerical codes and tricks for being a spy.

  • Logic and Brain Teasers
    603K 8.7K 55

    Logic questions and Brain Teasers which can be answered by using common sense and basic logical operations. So get your thinking caps and let's get started. Keep your brains working. Collection of Logics. :)

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  • Logic Brain Teasers and Trick Questions
    392K 6K 84

    Test friends, family, and even yourself in these brain teasers and trick questions! Comment and vote for more updates, answers or debates. :P

  • Codes
    37.3K 760 13

    Hi this is my second book! I am still on my old book but it took me a long time to figure out what cases I could do! Sherlock needs help on some cases are you smart enough to help him and be his next Watson? Just some codes you might want to help with! In need of help solving some these coded messages. Dr Watson lef...

  • Codes and Ciphers
    63.3K 809 21

    The need to conceal the meaning of important messages has existed for thousands of years. Over time, people have found increasingly complex ways of encoding their messages as the simpler ways are decoded with greater ease. Contrary to layman-speak, codes and ciphers are not synonymous. A code is where each word in a m...