Archive for 'Mind Benders'
Mind Bender # 12: Anyone for Tennis?
Posted on 08. Nov, 2007 by Chris Lang.
The way things are shaping up, there could be a record number competing in this year's Australian Open — some 803 players in all.
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Mind Bender # 11: Solution
Posted on 05. Nov, 2007 by Chris Lang.
This time, there were a number of people able to "engineer" a 9-minute period for this Hourglass problem. However, only a few of you managed to capture the spirit of finding the most elegant solution. Well done! Start by turning both hourglasses over together.
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Mind Bender # 11 : Hour Glass Figures
Posted on 10. Oct, 2007 by Chris Lang.
You have just discovered your watch has broken, and that you only have two Hour Glasses in the house ... > one to measure 4 minutes; and > another to measure 7 minutes.
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Mind Bender # 10 : Solution
Posted on 01. Oct, 2007 by Chris Lang.
Last month only two people managed to come up with the correct solution, as well as the reason why. Therefore, I held back their postings until now. The answer is that you should certainly take the odds of 30:1 on offer — because your chances of winning the wager are considerably better than that. Anyway, [...]
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Mind Bender # 10 : Birthday Wager
Posted on 05. Sep, 2007 by Chris Lang.
Imagine you have just walked into a room of 22 unrelated people, whom you've never met before. Then, someone poses the question:
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Mind Bender # 9 : The Solution
Posted on 27. Aug, 2007 by Chris Lang.
As you could see from the various responses posted for this Mind Bender ... there is clearly more than one way to share the Wine Barrels between the three brothers. However, the challenge this time was to come up with the solution that was the most elegant in its simplicity.
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Mind Bender # 9 : Liquid Assets
Posted on 03. Aug, 2007 by Chris Lang.
A wine merchant dies leaving his three sons ... Seven Barrels full of wine, Seven Barrels half full of wine, Seven Barrels completely empty.
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Mind Bender # 8 : The Solution
Posted on 01. Aug, 2007 by Chris Lang.
The responses to this month's Mind Bender were really quite interesting. And some of them stemmed from making an assumption based upon social bias.
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Mind Bender # 8 : Seeing things truly
Posted on 03. Jul, 2007 by Chris Lang.
First, you'll need to take a look at the picture, within the full posting. And then, simply decide how you believe the doctor would have replied.
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Mind Bender # 7 : The Solution
Posted on 22. Jun, 2007 by Chris Lang.
It's not quite the end of the month, but those of you wanting to put forward a solution seem to have done so by now. And I deliberately held off posting your proposed answers — so that everyone could submit without any distraction. But all your answers are up there now. In posing the Mind [...]
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Mind Bender # 7 : The Squeeze
Posted on 06. Jun, 2007 by Chris Lang.
As you tackle these challenges each month, you first have to decide whether your approach needs to be Intuitive or Deliberate. And the trick is for you to quickly choose the correct mode of thinking for each one. Let's take a look at this month's challenge ...
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