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 Guess my Number (Posted on 2004-12-20)
The Mad Hatter poured Alice another cup of tea and set the teapot down.

"May I please have one of those biscuits?" asked Alice rather timedly, rather taken aback by the sight of her present company.

"A biscuit?? Oh, I don't know. Those are the March Hare's special un-birthday biscuits, don't you know. Can she have a biscuit, March ?" asked the Hatter.

"A biscuit?? One of mine? Hurmph. Ok, I'm thinking of an integer from one to three (inclusive). If you get it, you can have a biscuit. If not, I'm afraid you'll just have to leave" said the March Hare, leaning back.

"Oh goodness, I don't know" said Alice worriedly. "Couldn't I just get a hint?"

"Oh, all right..." the March Hare sighed. "You get to ask me one yes-or-no question, that's all"

Alice thought for a moment, then smiled, knowing exactly what to ask.

What question should Alice ask?

 See The Solution Submitted by Sam Rating: 3.7647 (17 votes)

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 re: Independent solution | Comment 5 of 32 |
(In reply to Independent solution by Tristan)

I don't think this works.  If the answer is 1 the Hare could also answer yes since this satisfies one of the questions.  My four year old son is learning shapes at school and one question asked "Is this a square or a triangle?"  He said "Yes" and I had to admit he was right (it was a triangle).

 Posted by Fletch on 2004-12-20 17:04:43

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