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General => The Shed => Topic started by: theothermarg on February 11, 2011, 11:57:57

Title: This 111 thing is driving me round the bend
Post by: theothermarg on February 11, 2011, 11:57:57
Read in the Mail letters, if you add the last 2 numbers of a persons year of birth and the age they will be this year it comes to 111  :o and it does :o but how? I'v done it to everyone I can think of, it's driving me crazy.
and yes I know I have too much time on my hands at the mo ;D
marg
Title: Re: This 111 thing is driving me round the bend
Post by: Morris on February 11, 2011, 12:08:20
I thought it didn't work for my daughter until I remembered how old she actually is going to be this year!! ;D ;D ;D
So, what's the mathematical explanation someone clever out there? ???
Title: Re: This 111 thing is driving me round the bend
Post by: theothermarg on February 11, 2011, 12:16:56
Quote from: Morris on February 11, 2011, 12:08:20
I thought it didn't work for my daughter until I remembered how old she actually is going to be this year!! ;D ;D ;D
So, what's the mathematical explanation someone clever out there? ???
so now it's driving you crazy yes? ;D
marg
Title: Re: This 111 thing is driving me round the bend
Post by: Morris on February 11, 2011, 12:23:24
It does seem very strange ;D
Title: Re: This 111 thing is driving me round the bend
Post by: timnsal on February 11, 2011, 12:23:51
It only works for people born after 1899 and before 2000 :D

Next year, the same trick will give the answer 112. Last year it would have been 110.

If you add a person's age this year to the year in which they were born, you get the current year, ie 2011.
If you just take the last 2 digits of the year they were born, you are removing 1900.
So 82 instead of 1982, 54 instead of 1954 and so on.
Take 1900 away from 2011 and you get 111.

If you were born in 1899, the answer would be 211. For anyone born this century, the answer is 11
Title: Re: This 111 thing is driving me round the bend
Post by: Poppy Mole on February 11, 2011, 12:45:57
So who was the idiot person who thought it up to start with?
Title: Re: This 111 thing is driving me round the bend
Post by: jimtheworzel on February 11, 2011, 12:51:04
Quote from: timnsal on February 11, 2011, 12:23:51
It only works for people born after 1899 and before 2000 :D

Next year, the same trick will give the answer 112. Last year it would have been 110.

If you add a person's age this year to the year in which they were born, you get the current year, ie 2011.
If you just take the last 2 digits of the year they were born, you are removing 1900.
So 82 instead of 1982, 54 instead of 1954 and so on.
Take 1900 away from 2011 and you get 111.

If you were born in 1899, the answer would be 211. For anyone born this century, the answer is 11


its as clear as  mud !!
Title: Re: This 111 thing is driving me round the bend
Post by: Unwashed on February 11, 2011, 13:02:12
It's not that odd really.

Take the year you were born, add the number of years since then, and you get the current year.

It's 111 because you're counting years since 1900, and on that basis the current year 111 rather than 2011.

Title: Re: This 111 thing is driving me round the bend
Post by: timnsal on February 11, 2011, 13:25:31
Quote from: jimtheworzel on February 11, 2011, 12:51:04
its as clear as  mud !!
;D

I think you're looking for complications. There isn't a trick.
It's no different from working out someone's age from their date of birth
Title: Re: This 111 thing is driving me round the bend
Post by: Bugloss2009 on February 11, 2011, 13:29:41
it;s a quirk of having a counting system based on units, tens, hundreds.......

Title: Re: This 111 thing is driving me round the bend
Post by: lewic on February 11, 2011, 14:46:00
I think you're looking for complications. There isn't a trick.
It's no different from working out someone's age from their date of birth


Deep voodoo to the average Daily Mail reader  ;)

(sorry Marg!)
Title: Re: This 111 thing is driving me round the bend
Post by: Joe11 on February 11, 2011, 17:05:56
Quote from: lewic on February 11, 2011, 14:46:00

Deep voodoo to the average Daily Mail reader  ;)


Made me laugh lol  ;D Pretty kl at first though, I was lost aswell till peeps explained, maths is not my strong point
Title: Re: This 111 thing is driving me round the bend
Post by: theothermarg on February 11, 2011, 21:07:40
 :D :D we found for kids born 2000 and after it comes to 11
I don't usually buy newspapers and now I know why ;D ;D
marg
Title: Re: This 111 thing is driving me round the bend
Post by: landimad on February 11, 2011, 22:22:11
Tried it out on my lot and guess what?  ;D ;D ;D
All the same. :-[
Not one different and it goes for their grandad who was born in 1926.
Still going that's for sure, bends my ears and I am getting on a bit now.