Can you solve the pattern asked by anonymous? (Asked at Find the Pattern in the Numbers)
I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Tuesday, October 12, 2010
Asked and Answered
Labels: brain teaser
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I think the answer is 6. The difference of the difference of the differences is constant at 3.ReplyDelete
I think its 15ReplyDelete
i agree with Dave UKReplyDelete
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.