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Only for geniuses!

 
Anonymous Coward (OP)
User ID: 49763587
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11/15/2013 09:24 PM
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Re: Only for geniuses!
Mensa member = A 135iq dunce... knows just enough to be dangerous.

These are simple "additive" patterns.


And earlier I said I hoped it was not 72 when all this began because I would like for her to be wrong she tends to know it all... But 90 seems to be such a popular answer that you would think that just by that being so general it may be wrong we know it is a problem to trip everyone up.

I came up with 66 at first
ProNerd

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11/15/2013 09:25 PM
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Re: Only for geniuses!
So far 72 has been the answer from the Mensa members....
 Quoting: Anonymous Coward 49763587


Oh and most the Mathematicians are SCREAMING 90!

lol
 Quoting: Anonymous Coward 49763587


Mensa member = A 135iq dunce... knows just enough to be dangerous.

These are simple "additive" patterns.

IF: 2=6
3=12 6+6
4=20 12+8
5=30 20+10
6=42 30+12
7=56 42+14
8=72 56+16
9=90 72+18
10=110 90+20
11=132 110+22
12=156 132+24
13=182 156+26

or

2x3=6
3x4=12
4x5=20
5x6=30
6x7=42
7x8=56
8x9=64
9x10=90
10x11=110
11x12=132
12x13=156
13x14=182

these are the two simple patterns I see, both indicate 9=90
 Quoting: ProNerd


This is what she said another Mensa about the guy arguing 90 with her 72 answer..
tell the guy that says he is in mensa that they must have miss-scored his test and that his actual I.Q. must be 129.75
ROFLMAO!!!!!

LOL so IDK she has been wrong before being in Mensa does not make you right all the time
 Quoting: Anonymous Coward 49763587


A 120-140iq person will over think everything.
Anonymous Coward
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11/15/2013 09:29 PM
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Re: Only for geniuses!
No 56
 Quoting: Anonymous Coward 4396096


Close. It's 57. You need to catchup on your math skills.
Anonymous Coward (OP)
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11/15/2013 09:32 PM
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Re: Only for geniuses!
...


Oh and most the Mathematicians are SCREAMING 90!

lol
 Quoting: Anonymous Coward 49763587


Mensa member = A 135iq dunce... knows just enough to be dangerous.

These are simple "additive" patterns.

IF: 2=6
3=12 6+6
4=20 12+8
5=30 20+10
6=42 30+12
7=56 42+14
8=72 56+16
9=90 72+18
10=110 90+20
11=132 110+22
12=156 132+24
13=182 156+26

or

2x3=6
3x4=12
4x5=20
5x6=30
6x7=42
7x8=56
8x9=64
9x10=90
10x11=110
11x12=132
12x13=156
13x14=182

these are the two simple patterns I see, both indicate 9=90
 Quoting: ProNerd


This is what she said another Mensa about the guy arguing 90 with her 72 answer..
tell the guy that says he is in mensa that they must have miss-scored his test and that his actual I.Q. must be 129.75
ROFLMAO!!!!!

LOL so IDK she has been wrong before being in Mensa does not make you right all the time
 Quoting: Anonymous Coward 49763587


A 120-140iq person will over think everything.
 Quoting: ProNerd


But the thing is she didn't over think this it what she said

'how fucking simple can it be
they saw the word genius and assumed it must be complex
that is what has happened here
it is a simple pattern
the number being added to the first number simply increases by one each time'

So that is simplistic in a way.
I don't know nothing that's for sure.
Anonymous Coward
User ID: 27582823
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11/15/2013 09:32 PM
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Re: Only for geniuses!
So there that is please I'm just a messenger so don't shoot me....
 Quoting: Anonymous Coward 49763587


:o I must have sounded terrible in previuos posts... I don't bite (usually).

Here is one of them -->This was my answer 3x2 =6, 4x3=12,5x4=20,6x5=30 (this part is invisible--> 7x6=42,8x7=56), AND 9!! x 8= tada, 72!!!
 Quoting: Anonymous Coward 49763587


Cheating : You're putting n in the right part of n*(n+1) for n=2 to 6 and ,magicly, in the left part for n = 9, expecting us we won't notice. Beginning with n=2 :
3*2
4*3
5*4
6*5
7*6
8*7
9*8
9*8 ! caught ! :-)

Trinity got 72 because she said: 7=50, 8=60, and 9=72 Why?--- she said, "If 3 =12 and goes to 4 which is 20, and 5=30, which goes to 6 which is 42, 6 starts it all over again so she made 7=50,8=60, and 9=72 with 72 starting it all over again. So you would make 10=80, then 11=90, then 12=102 which starts it all over again! "Mathematically it's "wrong" but "pattern wise" she said it's correct. she's 15.
 Quoting: Anonymous Coward 49763587


Smart girl ! But as she said "Mathematically it's "wrong"".
With re - starting the pattern after 7 we could came with
7=56, 8=64, 9=74
With re - starting the pattern after 8 we could came with
7=56, 8=72, 9=80
or ....
Maybe a lawyer could accept her answer, not a mathematician.

the number being added to the first number simply increases by one each time
 Quoting: Anonymous Coward 49763587

???
the number being added to the first number increases by (the number)^2
2+2^2=6
3+3^2=12
etc..
9+9^2=90

Thanks you for giving your sources. So I stand with 90 & 76 so far :-)
Anonymous Coward
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11/15/2013 09:33 PM
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Re: Only for geniuses!
I don't know if this has been posted before. There is a math problem (joke?) that has been stirring a debate. Originated on Facebook and driving some crazy lol.

Can any of you on here come to the solution for this pattern(Pi?AR?). And if this has been answered what is the correct one? Thanks!

IF: 2=6
3=12
4=20
5=30
6=42
Then:9=??
 Quoting: Anonymous Coward 49763587


I'll go with zero.
Anonymous Coward
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11/15/2013 09:34 PM
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Re: Only for geniuses!
I saw the thread title and knew this thread was only for me.
catsscratchfever

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11/15/2013 09:35 PM
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Re: Only for geniuses!
2 * 3 = 6
3 * 4 = 12
4 * 5 = 20
....
9 * 10 = 90
Anonymous Coward
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11/15/2013 09:37 PM
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Re: Only for geniuses!
the next digit after 9 is 0
Anonymous Coward
User ID: 27582823
France
11/15/2013 09:41 PM
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Re: Only for geniuses!
I don't know if this has been posted before. There is a math problem (joke?) that has been stirring a debate. Originated on Facebook and driving some crazy lol.

Can any of you on here come to the solution for this pattern(Pi?AR?). And if this has been answered what is the correct one? Thanks!

IF: 2=6
3=12
4=20
5=30
6=42
Then:9=??
 Quoting: Anonymous Coward 49763587


I'll go with zero.
 Quoting: Paige


My kind of girl :-) ahem, sorry about that, meant to be a compliment.

OP, could you post my answer (and justification) on the page you speak of ? I don't plan to open a facebook acount for that. Curious about the reactions of the Mersen guys...
SaveUSa

User ID: 37256203
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11/15/2013 09:43 PM

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Re: Only for geniuses!
I don't know if this has been posted before. There is a math problem (joke?) that has been stirring a debate. Originated on Facebook and driving some crazy lol.

Can any of you on here come to the solution for this pattern(Pi?AR?). And if this has been answered what is the correct one? Thanks!

IF: 2=6
3=12
4=20
5=30
6=42
Then:9=??
 Quoting: Anonymous Coward 49763587


9x10=90

How is that hard? Am I missing something?

Last Edited by SaveUSa on 11/15/2013 09:45 PM
Within the surreal depths of "reality" lies the truth.
Anonymous Coward
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11/15/2013 09:46 PM
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Re: Only for geniuses!
I went with zero, but it's probably 72.
ProNerd

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11/15/2013 09:47 PM
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Re: Only for geniuses!
I usually put people in 2 camps....

Tire changer
Flat tire= jack, lug wrench, spare that has air, level hard surface, etc.

NON-Tire changer
Flat tire= panic, cell phone

This sounds strange maybe but it's about seeing the "irreducible" fundamentals.

Last Edited by ProNerd on 11/15/2013 09:48 PM
Anonymous Coward (OP)
User ID: 49763587
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11/15/2013 09:49 PM
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Re: Only for geniuses!
If we go backwards 1=? 0=? so 9=?

Is that how you got 0 Paige?
Anonymous Coward
User ID: 27582823
France
11/15/2013 09:49 PM
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Re: Only for geniuses!
the next digit after 9 is 0
 Quoting: Paige


Yours is the 3rd correct answer in the thread :

2*3
3*4
4*5
5*6
6*7
7*8
8*9
9*0


Actualisation:

If f(2)=12, f(3)=12, f(4)=20, f(5)=30, f(6)=42, define f(n)

a) f(n)=n*(n+1)
so f(9)=9*10=90

b) with [n] = nth prime number, f(n)=[n]+[2n-2]
so f(9)=[9]+[2*9-2]=23+[16]=23+53=76

c) f(n) = n * ((n+1) modulo 10))
so f(9) = 9 * (10 modulo 10) = 9 * 0 = 0

As I said, my kind of girl...
Anonymous Coward (OP)
User ID: 49763587
United States
11/15/2013 09:52 PM
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Re: Only for geniuses!
I don't know if this has been posted before. There is a math problem (joke?) that has been stirring a debate. Originated on Facebook and driving some crazy lol.

Can any of you on here come to the solution for this pattern(Pi?AR?). And if this has been answered what is the correct one? Thanks!

IF: 2=6
3=12
4=20
5=30
6=42
Then:9=??
 Quoting: Anonymous Coward 49763587


I'll go with zero.
 Quoting: Paige


My kind of girl :-) ahem, sorry about that, meant to be a compliment.

OP, could you post my answer (and justification) on the page you speak of ? I don't plan to open a facebook acount for that. Curious about the reactions of the Mersen guys...
 Quoting: Anonymous Coward 27582823


As soon as there are some more answers I'm not saying your incorrect. I will I would like to put an end to this for many reasons however many will just debate even more. So safety in numbers....
Anonymous Coward (OP)
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11/15/2013 09:56 PM
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Re: Only for geniuses!
I will lmao if it comes out to zero as soon as I glanced at this problem I said OMG it's probably F'ing zilch.
ProNerd

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11/15/2013 09:56 PM
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Re: Only for geniuses!
the next digit after 9 is 0
 Quoting: Paige


Yours is the 3rd correct answer in the thread :

2*3
3*4
4*5
5*6
6*7
7*8
8*9
9*0


Actualisation:

If f(2)=12, f(3)=12, f(4)=20, f(5)=30, f(6)=42, define f(n)

a) f(n)=n*(n+1)
so f(9)=9*10=90

b) with [n] = nth prime number, f(n)=[n]+[2n-2]
so f(9)=[9]+[2*9-2]=23+[16]=23+53=76

c) f(n) = n * ((n+1) modulo 10))
so f(9) = 9 * (10 modulo 10) = 9 * 0 = 0

As I said, my kind of girl...
 Quoting: Anonymous Coward 27582823


This breaks down if you keep going.
Gali

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11/15/2013 09:57 PM
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Re: Only for geniuses!
Many people tried to solve this by looking for a pattern. It seems that some patterns predict one number, and others predict another. I approached this from statistics and used a great stat program called JMP (version 10).
Step 1: Enter the values 2,3,4,5,6 as an X column in a data file.
Step 2: Enter the values 6, 12, 20, 30, and 42 as values in a Y column.
Step 3:Click on "Fit Y by X" and get a graph of points on an XY graph. Looking at the points, it is obvious that the relationship is not linear. There are several choices to try for an exact fit. One of these is polynomial of degree 2.
Step 4: Ask the program to git a polynomial fit of degree 2. It turns out that this gives an exact fit, and the equation for that fit is Y = -16 + 9X + (X-4)^2
Step 5: Put in X=9 in the above equation. This gives Y=90.
Anonymous Coward
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11/15/2013 09:57 PM
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Re: Only for geniuses!
If we go backwards 1=? 0=? so 9=?

Is that how you got 0 Paige?
 Quoting: Anonymous Coward 49763587


I think there is more than one correct answer. I just figured it couldn't be as simple as 9x10, so I went with 9 x 0 because 9 is the highest digit and the next would be zero.

I think that 72 is probably what the "real" correct answer is though.
Squonk1960

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11/15/2013 09:59 PM

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Re: Only for geniuses!
72 and I didn't look at any of the other responses. Took me about 10 seconds to see pattern.
Nous sommes du soleil. -- We are of the sun.
Anonymous Coward
User ID: 27582823
France
11/15/2013 10:03 PM
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Re: Only for geniuses!
the next digit after 9 is 0
 Quoting: Paige


Yours is the 3rd correct answer in the thread :

2*3
3*4
4*5
5*6
6*7
7*8
8*9
9*0


Actualisation:

If f(2)=12, f(3)=12, f(4)=20, f(5)=30, f(6)=42, define f(n)

a) f(n)=n*(n+1)
so f(9)=9*10=90

b) with [n] = nth prime number, f(n)=[n]+[2n-2]
so f(9)=[9]+[2*9-2]=23+[16]=23+53=76

c) f(n) = n * ((n+1) modulo 10))
so f(9) = 9 * (10 modulo 10) = 9 * 0 = 0

As I said, my kind of girl...
 Quoting: Anonymous Coward 27582823


This breaks down if you keep going.
 Quoting: ProNerd


the next digit after 9 is 0
 Quoting: Paige


Yours is the 3rd correct answer in the thread :

2*3
3*4
4*5
5*6
6*7
7*8
8*9
9*0


Actualisation:

If f(2)=12, f(3)=12, f(4)=20, f(5)=30, f(6)=42, define f(n)

a) f(n)=n*(n+1)
so f(9)=9*10=90

b) with [n] = nth prime number, f(n)=[n]+[2n-2]
so f(9)=[9]+[2*9-2]=23+[16]=23+53=76

c) f(n) = n * ((n+1) modulo 10))
so f(9) = 9 * (10 modulo 10) = 9 * 0 = 0

As I said, my kind of girl...
 Quoting: Anonymous Coward 27582823


This breaks down if you keep going.
 Quoting: ProNerd


If I not misunderstand your answer because my bad english you say it's wrong ?
2 * (3 modulo 10) = 6
3 * (4 modulo 10) = 12
4 * (5 modulo 10) = 20
5 * (6 modulo 10) = 30
6 * (7 modulo 10) = 42
This a match.
and 9 * (10 modulo 10) = 0
Anonymous Coward
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11/15/2013 10:04 PM
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Re: Only for geniuses!
72 and I didn't look at any of the other responses. Took me about 10 seconds to see pattern.
 Quoting: Squonk1960


Still waiting for any justification about 72...
Anonymous Coward
User ID: 39796034
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11/15/2013 10:06 PM
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Re: Only for geniuses!
I don't know if this has been posted before. There is a math problem (joke?) that has been stirring a debate. Originated on Facebook and driving some crazy lol.

Can any of you on here come to the solution for this pattern(Pi?AR?). And if this has been answered what is the correct one? Thanks!

IF: 2=6
3=12
4=20
5=30
6=42
Then:9=??
 Quoting: Anonymous Coward 49763587


54
Anonymous Coward (OP)
User ID: 49763587
United States
11/15/2013 10:07 PM
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Re: Only for geniuses!
If we go backwards 1=? 0=? so 9=?

Is that how you got 0 Paige?
 Quoting: Anonymous Coward 49763587


I think there is more than one correct answer. I just figured it couldn't be as simple as 9x10, so I went with 9 x 0 because 9 is the highest digit and the next would be zero.

I think that 72 is probably what the "real" correct answer is though.
 Quoting: Paige


72 and I didn't look at any of the other responses. Took me about 10 seconds to see pattern.
 Quoting: Squonk1960



See there is 72 again... Could any one get Pi in here?
ProNerd

User ID: 13856469
United States
11/15/2013 10:07 PM
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Re: Only for geniuses!
Many people tried to solve this by looking for a pattern. It seems that some patterns predict one number, and others predict another. I approached this from statistics and used a great stat program called JMP (version 10).
Step 1: Enter the values 2,3,4,5,6 as an X column in a data file.
Step 2: Enter the values 6, 12, 20, 30, and 42 as values in a Y column.
Step 3:Click on "Fit Y by X" and get a graph of points on an XY graph. Looking at the points, it is obvious that the relationship is not linear. There are several choices to try for an exact fit. One of these is polynomial of degree 2.
Step 4: Ask the program to git a polynomial fit of degree 2. It turns out that this gives an exact fit, and the equation for that fit is Y = -16 + 9X + (X-4)^2
Step 5: Put in X=9 in the above equation. This gives Y=90.
 Quoting: Gali


This is how my brain works, but in a graphical way. True, the plot is not linear but the curve is constant and therefor predictable, and satisfying:)
Anonymous Coward
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11/15/2013 10:07 PM
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Re: Only for geniuses!
18
Anonymous Coward
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France
11/15/2013 10:11 PM
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Re: Only for geniuses!
See there is 72 again...
 Quoting: Anonymous Coward 49763587


yes & Hitler, Obama, Bush, Sarkozy & others have been elected too...
Anonymous Coward (OP)
User ID: 49763587
United States
11/15/2013 10:17 PM
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Re: Only for geniuses!
72 and I didn't look at any of the other responses. Took me about 10 seconds to see pattern.
 Quoting: Squonk1960


Still waiting for any justification about 72...
 Quoting: Anonymous Coward 27582823


Another

Most people are responding this way:
2=6
3=12
4=20
5=30
6=42
7=56
8=72
9=90
But this is why I think it's 72:
3x2=6
4x3=12
5x4=20
6x5=30
7x6=42
8x7=56
9x8= 72!!!!!!!!!
Anonymous Coward
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France
11/15/2013 10:25 PM
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Re: Only for geniuses!
72 and I didn't look at any of the other responses. Took me about 10 seconds to see pattern.
 Quoting: Squonk1960


Still waiting for any justification about 72...
 Quoting: Anonymous Coward 27582823


Another

Most people are responding this way:
2=6
3=12
4=20
5=30
6=42
7=56
8=72
9=90
But this is why I think it's 72:
3x2=6
4x3=12
5x4=20
6x5=30
7x6=42
8x7=56
9x8= 72!!!!!!!!!
 Quoting: Anonymous Coward 49763587


Sorry to be there but you're cheating with your 1st post. 9=72 would be correct IF
3=6
4=12
5=20
6=30
7=42
As you asked :
2=6
3=12
4=20
5=30
6=42
We have 9=72





GLP