What will come in place of the question mark (?) in the following letter series? AB, BC, CD, DE, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following letter series? AB, BC, CD, DE, ?
A. HI
B. GH
C. FG
D. EF
Answer: Option D
Solution (By JKExamLibrary)
Each letter is increased by 1: AB, BC, CD, DE. The next term is EF.

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Practice More Letter Series Questions

Question #1
What will come in place of the question mark (?) in the following letter series? Y, A, C, E, G, ?
A. K
B. I
C. J
D. H

Correct Answer: Option B


Explanation:
The series consists of alternate letters: Y, A, C, E, G. The next letter is I.

This question belongs to: Reasoning Letter Series
Question #2
What will come in place of the question mark (?) in the following letter series? J, K, M, P, T, ?
A. A
B. B
C. Y
D. Z

Correct Answer: Option C


Explanation:
Differences: +1,+2,+3,+4 – next +5 gives T(20)+5=25→Y.

This question belongs to: Reasoning Letter Series
Question #3
What will come in place of the question mark (?) in the following letter series? R, T, V, X, Z, ?
A. D
B. C
C. A
D. B

Correct Answer: Option D


Explanation:
The series consists of alternate letters: R, T, V, X, Z. The next letter is B.

This question belongs to: Reasoning Letter Series