In the following letter series, some of the letters are missing, which are given in that order as one of the alternatives below it. Choose the correct alternative.
bca_b_aabc_a_caa
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → acab
The series starts with bcaa and is built by repeating that group of four letters. The blanks are filled so that every group reads bcaa:
bcaa | bcaa | bcaa | bcaa
Missing letters in order: a, c, a, b, that is, acab