Recent content by Caracrist

  1. C

    Finding 10-Digit Numbers with Divisibility Rules

    mfb, you have mistakes... 347 is not divided by 3 for example The answer is: I am not sure, but it looks like no other base has any solution.
  2. C

    Hour & Minute Coprime: Frequency & Examples

    Answer
  3. C

    Can You Solve This Tricky Geometric Sequence Problem?

  4. C

    How is the Standard Deviation Affected by Gender Differences in Life Span?

    what is the men/women birth ratio?
  5. C

    What is the Cost of a book that costs 1$ plus half of its price?

    the Cost of a book that costs 1$ = 1$
  6. C

    What is the method used by the man and woman to complete the task?

    a man is always sitting, and a woman does it with a signal...
  7. C

    Riddle of Logic: Death by Firing Squad

    It is simple:
  8. C

    How Can the Rules of Checkers Save Your Life?

    anybody?
  9. C

    Is 7 the Next Number in This Sequence?

    Yes.
  10. C

    Is 7 the Next Number in This Sequence?

    (?) 41 12 82 53 24 94 65 36 (?) First and last in this part of the sequence are same...
  11. C

    How Can the Rules of Checkers Save Your Life?

    I'll give you a hint, it is possible. And it is an answer. Now, find this position...
  12. C

    How Can the Rules of Checkers Save Your Life?

    If both blocked, the one whose turn loses.
  13. C

    How Can the Rules of Checkers Save Your Life?

    Is it possible?
  14. C

    How Can the Rules of Checkers Save Your Life?

    I know the answer ;)
  15. C

    How Can the Rules of Checkers Save Your Life?

    Thanks for your review. English is not my mother language. You are welcome to fix all grammar mistakes and reread the result.
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