Einstein's puzzle: Can you sovle it?

Quote from aphexcoil:


Prince
Princes
Princess
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nice job aphie :)

also: bra, bras, brass
care, cares, caress

guess these were too easy... the other two were ok, but I couldn't come up with anything at all on this singular/plural one without looking at the solution.
 
Quote from Eldredge:

I solved it, but I had to make the assumption that the person with the cats and the person with the water that lived next to the person who smoked blends weren't the same. Otherwise, the cat could be in the first or third house, and therefore the fish could be in the first or third house. Did I miss something, or did all of you make this assumption?
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I don't think any assumptions have to be made. Everyone has his own way of approaching the problem, I suppose, but once you determine the givens, i.e., house colors, Norwegian, Dunhill, Horses, Englishman, Milk, and Coffee, it's just a matter of moving things around a bit.

I didn't keep track of time, but it didn't seem to take all that long. On the other hand, you most definitely do not have to be in the top 2% to get this. Good puzzle, though.

--Db
 
In the town of Fruitals, 15% percent of people have unlisted phone numbers. If you randomly select 200 Fruitilians from the phone book, approximately how many would have unlisted numbers?
 
Quote from Madison:

A customer at a 7-11 store selected four items to buy, and was told that the cost was $7.11. He was curious that the cost was the same as the store name, so he enquired as to how the figure was derived.

The clerk said that he had simply multiplied the prices of the four individual items. The customer protested that the four prices should have been ADDED, not MULTIPLIED. The clerk said that that was OK with him, but, the result was still the same: exactly $7.11.

What were the four prices?
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I wanted to buy 711 shares of SE for $7.11 per share on 7/11/2002. But I didn't get a fill, not even at 7:11 pm.
 
I haven't yet seen a convincing, concise solution to the "Monty Hall" problem. I always see a page or more of "if-this if-that" gobbledy-gook (no offense guys!).

I also had problems with the Monty Hall problem.. My initial reaction was:
after a losing door is revealed, there is a 100% chance that one of the remaining doors has the winner. There are 2 doors so that is 50/50.

Anyway, the simplest convincing explanation I can give is this:

When you initially choose the winning door (less likely at 1/3), switching does not improve your odds.
However, when you initially choose a losing door (more likely at 2/3), switching gives you 100% chance of winning since Monty must reveal the other losing door.
 
Quote from CaroKann:

When you initially choose the winning door (less likely at 1/3), switching does not improve your odds.
However, when you initially choose a losing door (more likely at 2/3), switching gives you 100% chance of winning since Monty must reveal the other losing door.
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English is not your first language, is it?

The only way you avoided giving an "if-this if-that" type of answer is by incorrectly using the word "when" instead of "if".
 
Quote from aphexcoil:

In the town of Fruitals, 15% percent of people have unlisted phone numbers. If you randomly select 200 Fruitilians from the phone book, approximately how many would have unlisted numbers?
More...

None, cause unlisted people are not in the phone book.
 
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