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This brain-teasing math puzzle is missing a number — can you solve it?
Insider ^
| Oct 3, 2018
| Talia Lakritz
Posted on 10/04/2018 4:25:21 PM PDT by where's_the_Outrage?
![](https://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBNTDNZ.img?h=468&w=624&m=6&q=60&o=f&l=f&x=585&y=328)
Puzzles9 shared a brain teaser with three pentagons, each with a set of five numbers.
The middle pentagon is missing a number.
To fill in the missing number, you must figure out the relationship between the numbers in the pentagons and continue the sequence.
(Excerpt) Read more at msn.com ...
TOPICS: Science
KEYWORDS: brainteaser; math
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To: where's_the_Outrage?
21
posted on
10/04/2018 4:34:06 PM PDT
by
Hot Tabasco
(I once found a needle in a haystack but it wasn't the one I was looking for...)
To: where's_the_Outrage?
22
posted on
10/04/2018 4:34:39 PM PDT
by
Lurkina.n.Learnin
(If you want a definition of "bullying" just watch the Democrats in the Senate)
To: where's_the_Outrage?; NutsOnYew
The numbers in the pentagons add up to 20 for A and C. So 0 would make B add to 20. See reply #5, and you're on list too.
Actually, very good!
23
posted on
10/04/2018 4:35:18 PM PDT
by
Steely Tom
([Seth Rich] == [the Democrat's John Dean])
To: BenLurkin; Lurkina.n.Learnin
24
posted on
10/04/2018 4:36:07 PM PDT
by
Steely Tom
([Seth Rich] == [the Democrat's John Dean])
To: where's_the_Outrage?
Offhand, without any analysis, I’d say 8
25
posted on
10/04/2018 4:37:00 PM PDT
by
djf
("She wore a raspberry beret, the kind you find in a second hand store..." - Prince)
To: where's_the_Outrage?
26
posted on
10/04/2018 4:37:26 PM PDT
by
Bigg Red
(The USA news industry, the MSM-13, takes a machete to the truth. {h/t TigersEye})
To: Hot Tabasco
Agree, -10 is the answer.
27
posted on
10/04/2018 4:39:20 PM PDT
by
Fresh Wind
(Trump: "I am Batman!")
To: where's_the_Outrage?
Hey?
11 + 5 + 5 + 9 = 20?
28
posted on
10/04/2018 4:40:01 PM PDT
by
Right Wing Assault
(Kill-googl,TWITR,FACBK,NYT,WaPo,Hlywd,CNN,NFL,BLM,CAIR,Antifa,SPLC,ESPN,NPR,NBA)
To: where's_the_Outrage?
Look in the back of the book.
29
posted on
10/04/2018 4:40:55 PM PDT
by
Karliner
(Jeremiah29:11,Romans8:28 Isa 17, Damascus has fallen)
To: Steely Tom
I’m bored. Got more puzzles?
To: where's_the_Outrage?
These kinds of problem have multiple possible answers because there are multiple patterns, but I will go with a -10 in this case.
The numbers in the first pentagram add up to 20 and in the third pentagram add up to 20. The numbers in the second pentagram add up to 30, so to bring the 3 pentagrams into alignment (if that is perhaps the goal), the missing number must be -10.
To: where's_the_Outrage?
A fungus would say: check my Spitzenkörper and get back to me.
32
posted on
10/04/2018 4:41:22 PM PDT
by
Fungi
To: Fresh Wind
In my electromagnetic fields class, if the professor asked the class for an answer to a problem and more than one answer was asked, she would get a disgusted look on her face and write each answer down on the blackboard.
Then when she had them all down, she would say “OK, let’s vote.”
33
posted on
10/04/2018 4:42:04 PM PDT
by
Steely Tom
([Seth Rich] == [the Democrat's John Dean])
To: Right Wing Assault
To: where's_the_Outrage?
Which pentagon did Bill Ayers bomb?
35
posted on
10/04/2018 4:42:54 PM PDT
by
a fool in paradise
(Denounce DUAC - The Democrats Un-American Activists Committee)
To: NutsOnYew
Im bored. Got more puzzles? If one and one half chickens lay one and one half eggs in one in one half days, how many eggs will nine chickens lay in nine days?
36
posted on
10/04/2018 4:43:04 PM PDT
by
Steely Tom
([Seth Rich] == [the Democrat's John Dean])
To: where's_the_Outrage?
-10. Then each pentagon adds to 20.
To: where's_the_Outrage?
LOL, senior momentGot to confess, I did the same thing at first, but I double-checked and it didn't work. That showed me the -10.
38
posted on
10/04/2018 4:45:06 PM PDT
by
Right Wing Assault
(Kill-googl,TWITR,FACBK,NYT,WaPo,Hlywd,CNN,NFL,BLM,CAIR,Antifa,SPLC,ESPN,NPR,NBA)
To: where's_the_Outrage?
Actually it would make B add to 30, but your answer is valid.
39
posted on
10/04/2018 4:47:05 PM PDT
by
piytar
(If it was not for double standards, the Democrats and the left would have NO standards.)
To: where's_the_Outrage?
These kind of puzzles annoy me a little bit, There are at least four valid answers.
40
posted on
10/04/2018 4:48:06 PM PDT
by
piytar
(If it was not for double standards, the Democrats and the left would have NO standards.)
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