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What is the next number after 3 -6 12 4 20
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3 votes
What is the next number after 3 -6 12 4 20

User That Other Guy
by
7.8k points

1 Answer

3 votes
The sequence is alternatingly decreasing and increasing.
3 - 9 = -6
-6 + 18 = 12
12 - 8 = 4
4 + 16 = 20

Therefore, next term will be:
20 - 7 = 13
User FurkanO
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7.7k points
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