In the series, Z3 Y6 X9 W12, then next step is V15. The letters in the series on going backward from Z to V and the numbers are in multiples of 3.
c
The pattern is - 5 then +2. 2 and 4 are the next numbers in the series.
I'm convinced that 3,840 is.
15
65 followed by 129
c
A single number, such as 12848384 does not make a series.
The pattern is - 5 then +2. 2 and 4 are the next numbers in the series.
the next one is 1234
They would both be 25.
I'm convinced that 3,840 is.
it is 31818 - 8 = 1010 - 4 = 66 - 2 = 44 - 1 = 3
C
15
65 followed by 129
30
184