What will come in place of the question mark (?) in the following letter series? O, R, W, D, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following letter series? O, R, W, D, ?

A. N

B. L

C. M

D. K

Answer: Option C

Solution (By JKExamLibrary)

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

This question belongs to: Reasoning Letter Series

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Question #1

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What will come in place of the question mark (?) in the following letter series? G, I, K, M, O, ?

A. Q

B. P

C. S

D. R

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Correct Answer: Option A

Explanation:
The series consists of alternate letters: G, I, K, M, O. The next letter is Q.

This question belongs to: Reasoning Letter Series

Question #2

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What will come in place of the question mark (?) in the following letter series? B, E, J, Q, ?

A. Z

B. W

C. X

D. Y

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Correct Answer: Option C

Explanation:
Differences: +3, +5, +7 – next +9 gives X.

This question belongs to: Reasoning Letter Series

Question #3

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What will come in place of the question mark (?) in the following letter series? LN, MO, NP, OQ, ?

A. PS

B. QR

C. QS

D. PR

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Correct Answer: Option D

Explanation:
First letters: L, M, N, O, P (+1). Second letters: N, O, P, Q, R (+1). The next term is PR.

This question belongs to: Reasoning Letter Series

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