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. U
D. V
Answer: Option C
Solution (By JKSSB Mock Tests)
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? PR, TV, XZ, BD, ?
A. FH
B. EH
C. FG
D. EG

Correct Answer: Option A


Explanation:
First letters: P, T, X, B, F (+4, wrapping around). Second letters: R, V, Z, D, H (+4, wrapping around). The next term is FH.

This question belongs to: Reasoning Letter Series
Question #2
What will come in place of the question mark (?) in the following letter series? KM, OQ, SU, WY, ?
A. AC
B. ZC
C. ZB
D. AB

Correct Answer: Option A


Explanation:
First letters: K, O, S, W, A (+4, wrapping around). Second letters: M, Q, U, Y, C (+4, wrapping around). The next term is AC.

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

Correct Answer: Option D


Explanation:
Differences: +1,+2,+3,+4 – next +5 gives K(11)+5=16→P.

This question belongs to: Reasoning Letter Series