What will come in place of the question mark (?) in the following letter series? IK, MO, QS, UW, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following letter series? IK, MO, QS, UW, ?
A. XZ
B. YZ
C. YA
D. XA
Answer: Option C
Solution (By JKExamLibrary)
First letters: I, M, Q, U, Y (+4). Second letters: K, O, S, W, A (+4, wrapping around). The next term is YA.

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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? G, J, O, V, ?
A. C
B. E
C. D
D. F

Correct Answer: Option C


Explanation:
G(7)+3=J(10), J+5=O(15), O+7=V(22), V+9=31→5=E. So answer E.

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

Correct Answer: Option B


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

This question belongs to: Reasoning Letter Series
Question #3
What will come in place of the question mark (?) in the following letter series? I, J, L, O, S, ?
A. Z
B. X
C. Y
D. A

Correct Answer: Option B


Explanation:
Differences: +1,+2,+3,+4 – next +5 gives S(19)+5=24→X.

This question belongs to: Reasoning Letter Series