Question 1143720
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I wouldn't go so far as tutor @ikleyn to say that the problem has no relation to math.<br>
However, as she points out, ANY next two numbers make a valid sequence.  So you can get some good mental arithmetic exercise looking for a pattern or rule that produces the given sequence.<br>
However, trying to determine the "right" answer is only a matter of guessing -- and that is not mathematics.<br>
Spend no more than a minute or two looking for a pattern that can produce the given sequence of numbers, then continue that pattern to find the next two numbers.<br>
Realize, however, that any pattern you find might not be the right one....<br>
With this particular example, there is a simple pattern that is VERY PROBABLY the "right" answer.  Look at how each number compares to the number before it....<br>
4 is 3 more than 1
2 is 2 less than 4
5 is 3 more than 2
3 is 2 less than 5
...<br>
Do you see the pattern?