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Can You Solve These Insanely Hard Number Sequences?

Spot the pattern and figure out what comes next! How sharp are your math skills? Find out here!

#Science #IQ #knowledge

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What are your thoughts on this subject?
130 Comments
Barry Crews
6. For a bloke dumb as a treestump, these must have been pretty simple. Wish I had this ability on my entry testing for Navy all those years ago!
0
Aug 14, 2021 2:20PM
Eli Hassan
Robert Bennett, Correct !!!
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Jul 25, 2021 5:49PM
Eli Hassan
Debra Reynolds Banting, Have a look what Mr. Robert Bennett wrote - and you will understand.
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Jul 25, 2021 5:48PM
gerald
The difference increases by 2 each time. Debra Reynolds Banting,
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Jul 18, 2021 9:09PM
gerald
9/9 at least this required some thought beyond seventh grade math.
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Jul 18, 2021 2:24PM
skclary
5/9 which for me is good on this quiz. Thanks for answers!
2
Jul 12, 2021 3:14AM
flanderschristy
8/9 I accidently hit the wrong answer on #5 because my senile dog was barking at me! I know he can't help it but it is aggravating. God bless his heart.
0
May 21, 2021 9:50AM
jch
jch
9/9. Mathematical genius. Thanks but I'm no genius.
0
May 13, 2021 12:46PM
Robert Bennett
9/9 #1 was tough , double plus 2,double plus1,double, double minus 1, double minus 2. Good brain challenge
1
Apr 20, 2021 1:34PM
toshinsita
That was good!
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Mar 31, 2021 7:39AM
Lilian Ling
9/9... I struggled with #1... had to leave it and go back to it.
1
Mar 5, 2021 11:55PM
Jean-Claude Girard
Jean-Claude Girard, Nevermind previous answer (that how I got it but it is all wrong) Found the answer online : The next term is 2^n+(n-2) 1st term (2¹)+(1-2): (2)+(-1) : 1 2nd term (2²)+(2-2): 4+0 : 4 3rd term (2³)+(3-2): 8+1 : 9 .. 6th term (2⁶)+(6-2): 64+4 : 68 7th term: (2⁷)+(7-2): 128+5: 133 And so on
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Mar 5, 2021 1:51PM
Jean-Claude Girard
Debra Reynolds Banting, Look at the sequence : 1,4,9,18,35,? Then double each term: 2,8,18,36,70,? Look at the difference : +2, +1, +0, -1, ? (use -2) Then you get 1 (*2+2)=4 4 (*2+1)=9 9 (*2+0)=18 18 (*2-1)=35 35 (*2-2)=68 Ths a little weak, because I cannot get the next term. Could be an oscillation (2,1,0,-1,-2,-1,0,1,etc,,) or a progression that continues with -3,-4,...
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Mar 5, 2021 1:37PM
James Steven Willis
9/9 same score as 3 months ago, not great at math but can see patterns with numbers and people
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Feb 16, 2021 5:58PM
Lynne Castellano
Debra Reynolds Banting, find the different between each consecutive pair, using that sequence, find the differences and they make an identifiable sequence, build it back up to get the next number in the original list
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Feb 4, 2021 5:36PM

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