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

What will come in place of the question mark (?) in the following letter series? A, C, F, J, O, ?
A. S
B. T
C. V
D. U
Answer: Option D
Solution (By JKExamLibrary)
Differences: +2, +3, +4, +5, so next difference is +6. O+6 = U.

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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? Q, T, Y, F, O, ?
A. C
B. A
C. B
D. Z

Correct Answer: Option D


Explanation:
Q(17)+3=T(20), T+5=Y(25), Y+7=F(32→6), F+9=O(15), O+11=26→Z. So Z.

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

Correct Answer: Option C


Explanation:
O(15)+3=R(18), R+5=W(23), W+7=D(30→4), D+9=M(13), M+11=24→X. So X.

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

Correct Answer: Option D


Explanation:
Differences: +1,+2,+3,+4 – next +5 gives R(18)+5=23→W.

This question belongs to: Reasoning Letter Series