Part 5g: More Sequence Finding Techniques
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Alternatively, sometimes fractions, multiplications and so on of the previous numbers are involved.
Another possibility involves squares. For instance:
1, 4, 9, 16, 25.. here the sequence is n2: 1x1, 2x2, 3x3, 4x4, 5x5 the next is 6x6 or 36.
If you see a RAPID increase or decrease like this, then consider if there are squares, or even cubes, involved.
By systematically working through these possibilites, you will soon find what the sequence is.
Additionally, you will get used to quickly spotting what sort of FORM the answer is likely to take, and be able to narrow it down quickly.
Taking ages to spot a sequence can quickly be reduced with practice, you will be surprised!
Questions about interview tests: