RRB NTPC · Question 13
Select the option that will fill in the blank and complete the given series. ABCD, ACEG, _______, AEIM.
Show answer & explanation
Answer: (A) ADGJ
Explanation
Each group starts with A and steps by 1, 2, 3, 4 letters: ABCD, ACEG, ADGJ, AEIM.