SOLUTION: 3, -6, 12, 4, 20, ?

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Question 1130358: 3, -6, 12, 4, 20, ?

Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


There is no formal mathematics to ANY problem like this. Finding "the" answer is no more than a guessing game.

It is very likely that there are many different logical ways to get this sequence of numbers; the different ways will probably yield different next numbers.

Furthermore, ANY next number will make a valid sequence.

If you are so inclined, take a few seconds, or maybe a minute or two, to see if you can find a logical way to get the given sequence of numbers, and use that logical way to predict the next number.

But realize that any answer you come up with, either by logic or by a random guess, might not be the "right" answer.

So it is a total waste of time to spend any significant amount of time trying to answer a question like this.