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. K

B. N

C. L

D. M

Answer: Option D

Solution (By JKSSB Mock Tests)

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? VX, WY, XZ, YA, ?

A. ZC

B. ZB

C. AC

D. AB

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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

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What will come in place of the question mark (?) in the following letter series? ZB, DF, HJ, LN, ?

A. PQ

B. OR

C. OQ

D. PR

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Correct Answer: Option D

Explanation:
First letters: Z, D, H, L, P (+4, wrapping around). Second letters: B, F, J, N, R (+4, wrapping around). The next term is PR.

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? N, O, Q, T, X, ?

A. D

B. C

C. F

D. E

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Correct Answer: Option B

Explanation:
Differences: +1,+2,+3,+4 – next +5 gives X(24)+5=29→C.

This question belongs to: Reasoning Letter Series

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