18
plus 4, minus 2
12
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
Either 214 or 216 would both fit the pattern of the five terms given.
Notice the pattern: 12^2 11^2 10^2 9^2 .. So the next term is 6^2=36
12
12
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
12
122
12
10
12
Either 214 or 216 would both fit the pattern of the five terms given.
212
Notice the pattern: 12^2 11^2 10^2 9^2 .. So the next term is 6^2=36
14 18 20
You are multiplying by 5 and taking 1 away, so the next value is 36719.