- The numbers follow the pattern: 3, 6, 11, 18 → Increasing by 3, 5, 7, 9. So the next increment is 11, giving 18 + 11 = 29.
- The letters follow the pattern: F, G, I, L → Increasing by 1, 2, 3. So the next increment is 4, giving L + 4 = P.
Thus, the correct answer is (C) 27P.