What will come in place of the question mark (?) in the following letter series? Z, A, C, F, J, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following letter series? Z, A, C, F, J, ?
A. O
B. Q
C. P
D. R
Answer: Option A
Solution (By JKExamLibrary)
Differences: +1,+2,+3,+4 – next +5 gives J(10)+5=15→O.

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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? I, L, Q, X, G, ?
A. T
B. S
C. U
D. R

Correct Answer: Option D


Explanation:
I(9)+3=L(12), L+5=Q(17), Q+7=X(24), X+9=G(33→7), G+11=18→R. So R.

This question belongs to: Reasoning Letter Series
Question #2
What will come in place of the question mark (?) in the following letter series? V, X, Z, B, D, ?
A. F
B. E
C. G
D. H

Correct Answer: Option A


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

This question belongs to: Reasoning Letter Series
Question #3
What will come in place of the question mark (?) in the following letter series? M, N, P, S, W, ?
A. E
B. B
C. D
D. C

Correct Answer: Option B


Explanation:
Differences: +1,+2,+3,+4 – next +5 gives W(23)+5=28→B.

This question belongs to: Reasoning Letter Series