>>>Here are a few more questions, for those of you who like to waste their precious time as much as I do!
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>>>1) A paper-eating insect plans to make a tunnel in a 3-volume encyclopedia (the volumes are on the shelf, in the library, and placed in the usual order). The tunnel is to start on page 1 of volume 1, and end on the last page of volume 3. How many days will this take, supposing the insect requires 1 day for each cover, and 3 days for the pages of one volume? Note: after trying this out in your head, or with pencil and paper, it helps to actually take a look at real books.
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>>16
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>No: the answer is 7. Please take a look at real books before protesting this answer!

7 is correct.

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>>>2) Is it legal for a man to marry his widow's sister?
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>>How can dead man marry?
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>That's right, he can't. Well, I do believe in an afterlife, but this case isn't contemplated in the laws of most countries...

Sort of reminds me of Ray Stevens old song... "I am my own Grandpa"...

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>>>3) A patient goes to the doctor. His complaint: "Every time I drink coffee, I have a severe pain in my right eye". What should the doctor recommend the patient?
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>>See an ophtalmolog (?) ?
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>"Take the spoon out."

I was thinking along the lines of "lay your thumb down when you drink your coffee..."