Letter and Symbol Series - Verbal and Reasoning

Directions to SolveIn these series, you will be looking at both the letter pattern and the number pattern. Fill the blank in the middle of the series or end of the series.
Q1:

BCB, DED, FGF, HIH, ___

A JKJ

B HJH

C IJI

D JHJ

ANS:A - JKJ

Explanation: This series consists of a simple alphabetical order with the first two letters of all segments: B, C, D, E, F, G, H, I, J, K. The third letter of each segment is a repetition of the first letter.