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bonanova

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bonanova last won the day on February 12

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About bonanova

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    Retired Expert
  • Birthday November 3

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  • Location
    Ohio
  • Interests
    Music [performing and directing], photography.

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  1. 9-Balls Cue

    Welcome back TSLF. Nice puzzle!
  2. Killer quickie

  3. Walk the pattern

    Looks like
  4. Walk the pattern

    With that interpretation,
  5. Walk the pattern

    Assuming the above, we note that
  6. Walk the pattern

    Just to be clear, n = 3 4 5 7 8 9 11 12 13 ..., and CW and CCW alternate untethered (my new favorite word) to parity?
  7. Twins birthday puzzle

    Nice solve. And the "few years back" is actually two years ago, when Feb 28 was Sunday and March 2 was Wednesday.
  8. Strange math problem

    The professor writes a problem on the whiteboard, thus: 25 - 55 + (85 + 65) = ? He then inexplicably states that, even though you might disagree, the correct answer is actually 5! Explanation?
  9. Twins birthday puzzle

    A few years back while visiting friends, we celebrated the birthdays of their identical twin daughters Joan and Jane, born just 5 minutes apart. Joan had her party on Sunday, and Jane had hers on Wednesday. Explanation?
  10. Random passengers

    This was my take.
  11. Random passengers

    Nice. One thing I liked about this puzzle is that it's open to clear thinking. Even tho at first it seems too complex.
  12. Comparing a rectangle to a circle

    But actually ...
  13. Comparing a rectangle to a circle

    It certainly should. It clearly fails a units check. Good catch.
  14. Poisoned Needles

    Do any of the clues imply that the indicated needles are adjacent? I would take "on the left side of" to imply that "pain" is adjacent to "seek," while "to the left of" simply means "the other pain" is not to the right of "interesting little creation." But I'd like to be certain of that. Also, is "interesting little creation" one of the needles? If so, you have described nine, not eight, needles. Thanks.
  15. You have 10 sets of ten coins. One set of the ten is counterfeit, the others are genuine. The genuine coins weigh exactly 0.10 ounces. The counterfeit coins are exactly a 0.01 ounces off, making the entire set of ten coins 0.10 ounces off. You may use an extremely accurate digital scale only once. How do you determine which set is counterfeit?
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