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 How young is he? (Posted on 2011-05-16)
My math teacher was born in a year whose digits add up to 26.

He says that in his birth month the number of days before his birth day is thrice the number of days after it.

How old is he now?

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He says that in his birth month the number of days before his birth day is thrice the number of days after it.

This can only happen in a month with 29 days.  Specifically on February 8 of a leap year.

He must have been born in the 20th century so 19ab is divisible by 4 and digits add up to 26, so a+b=16.

The year is 1988.

He is 23 years and a bit over 3 months here in May 2011.

 Posted by Jer on 2011-05-16 14:57:48

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