Select the letters that will replace the question marks (?) in the following series.
A, Z, X, B, V, T, C, R, ?, ?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → P, D
The series is made of groups of three letters: one letter from the start of the alphabet followed by two letters from the end.
Groups: (A, Z, X), (B, V, T), (C, R, ?), and the last ? starts the next group
First letters of the groups A, B, C: one place ahead each time, so the next group starts with D
The other letters Z (26), X (24), V (22), T (20), R (18): each is 2 places back, so the letter after R is \(18-2=16\), that is P
So the two missing letters are P, D.