CSAT (Aptitude)·Mains Questions
Letter Patterns — Mains Questions
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Version 1Updated 6 Mar 2026
Q1250 words / 15 marks
Analyze the pattern in the series: AD, EH, IL, MP, QT, ? and explain the multi-layered logic involved.
Q2250 words / 15 marks
Given the series: Z, W, S, O, J, ?, analyze its pattern, considering both fixed and variable skips, and determine the next term. Discuss common pitfalls.
Q3250 words / 15 marks
Construct a letter pattern series of at least 7 terms that combines an alternating pattern with wrap-around logic. Explain your construction.