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Brain-teaser

23 replies to this topic

#1 tallahassee lassie

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Posted 10 November 2005 - 08:50 AM

This is pretty neat how it works out.

This is cool beer maths!!!!!!!

DON'T CHEAT BY SCROLLING DOWN FIRST!

It takes less than a minute.......

Work this out as you read.

Be sure you don't read the bottom until you've worked it out! This is not one of those waste of time things, it's fun.

1. First of all, pick the number of times a week that you would like to have a pint. (try for more than once)

2. Multiply this number by 2 (Just to be honest)

4. Multiply it by 50 I'll wait while you get the calculator................

6. Now subtract the four-digit year that you were born.

You should have a three-digit number

The first digit of this was your original number

(i.e., how many times you want to have a pint week).

The next two numbers are .......

YOUR AGE! ~ (Oh YES, it IS!!!!! )

Keep on smiling---Mare

#2 BanditFlyer

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Posted 10 November 2005 - 01:13 PM

It doesn't work with the number zero - that's the number of times I'd like to have a pint.

Maybe I should've used a pint of Ice-cream instead

First of all, pick the number of times a week that you would like to have a pint. (try for more than once)

#3 Mr Alpha

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Posted 10 November 2005 - 03:38 PM

Doesn't work for 42.

But did work nicely with 7 so, a good one still.

Next brainteaser, why?
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#4 yano

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Posted 10 November 2005 - 03:40 PM

Works great!

I remember there was one of these for the year 1998 or 1996.

It's cool to find out how these work, and here is how this one works:
(Let X be your orginal number and Y be the year you were before.)
(ex: 25 as the orginal number and 1973 as the year you were born. And the b-day has already happen this year.

2x+5 is the first 2 steps. (50+5)

Then you are told to muliply by 50.

50*(2x+5) = 100x+250 (2500+250)

Now we are told to add 1755 if we have add our B-day this year. Which would make 100x+250, now 100x+2005. And if you didn't have your B-day this year it would be 100x+2004.

(2500+2005) = 4505

So in essence, whatever your first number was it is now that number plus 2 zeroes PLUS (+) either this year (2005, if you have had your b-day this year) or last year (2004, if you have NOT had your b-day this year).

So now we got 4505 - 1973 = 2532

The reason it works out is because the equation assumes that the number you subtract is no greater than the year you entered early (2005 if you had your b-day this year, or 2004 if you haven't had your b-day this year).

If you subtracted 2005 from 4505 you would get: 2500 which would be 100x.

Hope this makes sense.

Edited by yano, 10 November 2005 - 03:41 PM.

#5 BanditFlyer

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Posted 10 November 2005 - 05:08 PM

Thanks Yano

#6 tallahassee lassie

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Posted 10 November 2005 - 05:15 PM

Thank you so much for explaining all of it. It worked for me. Since I was born in 1941 and so on. I will be more casual in my next brainteaser. Thanks again everyone...Always...Marion
Keep on smiling---Mare

#7 Rimmer

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Posted 10 November 2005 - 06:28 PM

Good trick Marion!

It worked for me.... scary!

(I'm still working on yano's explanation)

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#8 DemonicTurtles

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Posted 11 November 2005 - 01:59 AM

It worked for me.....

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#9 boopme

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Posted 11 November 2005 - 12:17 PM

Worked for 8 of us here........good one!!
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#10 acklan

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Posted 11 November 2005 - 05:18 PM

OMG!!! I'm 90. The wife won't like this. We are celebrating my 45 monday. I guess I need to get a burn permit for the cake, from the fire dept.
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Posted 11 November 2005 - 06:16 PM

Works great and very cool! Yes I got one similar on a email in like 2004 and it said it would not work in 2005....
Guess there are more ways to do it lol....

#12 Rimmer

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Posted 11 November 2005 - 06:21 PM

OMG!!! I'm 90.

- that's just a side effect of all the beer you drank.

btw Happy Birthday for Monday!

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#13 acklan

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Posted 11 November 2005 - 09:02 PM

Tasty too!
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#14 yano

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Posted 11 November 2005 - 10:16 PM

In simplest terms:

( 100x + 2005 ) - Y = X,AGE

X = orginal number
Y = year you were born

just remember that equation and you can work it backwards

#15 boopme

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Posted 11 November 2005 - 10:49 PM

Beauty there Yano !!!
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