The series Z, S, O, L follows a pattern where each letter skips decreasing intervals. Next is ___.
Q1. The series Z, S, O, L follows a pattern where each letter skips decreasing intervals. Next is ___.
Answer: I
Explanation: Intervals: -5 (Z→S), -4 (S→O), -3 (O→L), -2 (L→I). Option C overestimates skip.