What will come in place of the question mark (?) in the following letter series? OQ, SU, WY, AC, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following letter series? OQ, SU, WY, AC, ?
A. EG
B. DF
C. EF
D. DG
Answer: Option A
Solution (By JKSSB Mock Tests)
First letters: O, S, W, A, E (+4, wrapping around). Second letters: Q, U, Y, C, G (+4, wrapping around). The next term is EG.

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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? VX, WY, XZ, YA, ?
A. ZC
B. ZB
C. AC
D. AB

Correct Answer: Option B


Explanation:
First letters: V, W, X, Y, Z (+1). Second letters: X, Y, Z, A, B (+1, wrapping around). The next term is ZB.

This question belongs to: Reasoning Letter Series
Question #2
What will come in place of the question mark (?) in the following letter series? K, N, S, Z, I, ?
A. V
B. W
C. U
D. T

Correct Answer: Option D


Explanation:
K(11)+3=N(14), N+5=S(19), S+7=Z(26), Z+9=I(35→9), I+11=20→T. So T.

This question belongs to: Reasoning Letter Series
Question #3
What will come in place of the question mark (?) in the following letter series? SCD, TEF, UGH, ___, WKL
A. CMN
B. UJI
C. IJT
D. VIJ

Correct Answer: Option D


Explanation:
In this letter series, each letter is shifted one position forward in the English alphabet. S+1=T, C+1=D, D+1=E. Continuing this pattern: U+1=V, G+1=H, so the missing term is VIJ.[reference:0]

This question belongs to: Reasoning Letter Series