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UPSC PYQPrelims 2025

Civil Services Examination · प्रश्न 30

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

  1. B, C, B, C, A
  2. A, C, B, C, A
  3. B, C, B, A, C
  4. C, B, B, A, C
उत्तर देखें और व्याख्या

उत्तर: (C) B, C, B, A, C

व्याख्या

Filling B, C, B, A, C gives ABBCCC ABBCCC ABBCCC, a repeating block. (Answer as per the official UPSC answer key.)