Civil Services Examination · Question 30
Consider the sequence AB_CC_A_BCCC_BBC_C that follows a certain pattern. Which one of the following completes the sequence?
Show answer & explanation
Answer: (C) B, C, B, A, C
Explanation
Filling B, C, B, A, C gives ABBCCC ABBCCC ABBCCC, a repeating block. (Answer as per the official UPSC answer key.)