QXR
The pattern in the series is:
- The first letter follows the pattern: X, U, R, O.
- The second letter follows the pattern: R, T, V, X.
- The third letter follows the pattern: F, I, M, R.
Thus, the next term is OXR
What comes next in the series?
\(2, 6, 12, 20, 30, \ ?\)