CSAT (Aptitude)·MCQ Practice

Letter Patterns — MCQ Practice

Updated 19 Oct 2026

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.

Q1easy

Using A = 1, …, Z = 26, a letter series advances by successively larger steps of 2, 3, 4 and then 5 positions. What follows B, D, G, K?

Q2medium

Two rules alternate in the series C, Z, F, X, I, V, __: odd-position letters advance by three alphabet positions and even-position letters retreat by two. Which letter fills the blank?

Q3medium

On a cyclic alphabet where Z is followed by A, each term moves forward four positions. Which pair completes R, V, Z, __, __?

Q4medium

In a pair sequence, the first letter moves forward by two and the second backward by three: AX, CU, ER, __. Which pair is next?

Q5medium

With A = 1, …, Z = 26, a coding rule replaces each letter position n with 27 − n. What is the code for BIRD?