## Tuesday, October 12, 2010

Can you solve the pattern asked by anonymous? (Asked at Find the Pattern in the Numbers)

3
11
20
27
29
23
?

1. I think the answer is 6. The difference of the difference of the differences is constant at 3.

2. I think its 15

3. i agree with Dave UK
first diff: 8
second diff: 9
third diff: 7
fourth diff: 2
fifth diff: -6

diff between 1st and 2nd differences: 1
diff between 2nd and 3rd differences: -2
diff between 3rd and 4th differences: -5
diff between 4th and 5th differences: -8
diff between 5th and 6th differences should be -11, because it keeps decreasing by 3.so if the difference between -6 and the next number is -11, than you add -11 to -6 = -17.
this is the difference between 23 and the next number so 23 plus -17= 6.

ah yea, im that smart.

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