Consider the sequence ABCCABCCCBBCC that follows a certain pattern. Which one of the following completes the sequence?

Mental Ability & Logical Reasoning ·Previously asked in UPSC Civil Services Examination 2025

View the full solved paper: GS Paper II

Question

Consider the sequence ABCCABCCCBBCC that follows a certain pattern. Which one of the following completes the sequence?

  1. A. B, C, B, C, A
  2. B. A, C, B, C, A
  3. C. B, C, B, A, C (Correct answer)
  4. D. C, B, B, A, C

Correct Answer

Option C — B, C, B, A, C

Detailed Solution & Explanation

The correct answer is B, C, B, A, C.

Key Points

  • The sequence AB_CC_A_BCCC_BBC_C — the pattern is a repeating structure.
  • Filling in blanks systematically: ABCCCABCCCABBCCC...
  • The correct completion is B, C, B, A, C. Answer: B, C, B, A, C.