## A Date of Good Luck

*November 7, 2013 at 11:54 am* *
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Today is 11/7/13, which is a semi-lucky/lucky/unlucky date.

The numbers in today’s date are 7, 11, and 13, which are the same numbers used in my favorite math trick. I shared that trick on 7/11/13 in A Great Day for a Math Trick — which, honestly, was the best day ever to share it (unless you’re in Europe, in which case today is perfect). For U.S. audiences today, do the division by 11 before the division by 7:

- Multiply your age by
**12**. - Now
**add the age**of your spouse/brother/sister/friend/uncle/aunt/whomever. - This should yield a three-digit number. Now, divide by
**11**. - Then, divide by
**7**. - Then, divide by
**13**. - The result should be a number of the form 0.
*abcdef*…, with a 0 and a decimal point in front of a long string of digits. Add the**first six digits**after the decimal point.

Here’s the cool part. I don’t know your age, nor do I know the age of your spouse, brother, sister, friend, uncle, or aunt. But I do know that after you completed those steps, **this is your result**.

Now, how did I know that?

That’s for you to figure out.

Math Major: I’ve found that 67% of Literature majors are stupid.

Literature Major: I’m part of the other 13%.I was walking past a mental hospital the other day, and all the patients were shouting, “13… 13… 13… 13.” The fence was very high, so I peeked through a little gap in the planks to see what was going on.

Some bastard poked me in the eye with a stick.

Then they all started shouting, “14… 14… 14… 14.”

Entry filed under: Uncategorized. Tags: 11, 13, 7, lucky, problem, trick.

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