Which set of letters, when placed in order in the blanks of the given letter series, completes it?
B _ B _ C _ C C C _ C C _ C
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → CCBBC
The given letters show groups in which each group is one B followed by C’s, with one more C in every new group: BC, BCC, BCCC, BCCCC.
Group 1: BC, so the blank here is C
Group 2: BCC, so the blank here is C
Group 3: BCCC, so the blank here is B
Group 4: BCCCC, so the blanks here are B, C
The blanks, in order, are therefore C, C, B, B, C.