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

A. X

B. Y

C. Z

D. A

Answer: Option A

Solution (By JKExamLibrary)

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

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Question #1

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What will come in place of the question mark (?) in the following letter series? BDF, FHJ, JLN, ___, PTV

A. OPM

B. NPR

C. NMN

D. NMO

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Correct Answer: Option B

Explanation:
Each letter is shifted four positions forward: B+4=F, D+4=H, F+4=J. Continuing: J+4=N, L+4=P, N+4=R. The missing term is NPR.[reference:4]

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? LO, RU, XA, DG, ?

A. KM

B. JM

C. JN

D. KN

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Correct Answer: Option B

Explanation:
First: L, R, X, D, J (+6 each, wrap). Second: O, U, A, G, M (+6 each, wrap). So JM.

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? JL, KM, LN, MO, ?

A. OP

B. NQ

C. OQ

D. NP

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Correct Answer: Option D

Explanation:
First letters: J, K, L, M, N (+1). Second letters: L, M, N, O, P (+1). The next term is NP.

This question belongs to: Reasoning Letter Series

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