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. M

B. K

C. L

D. N

Answer: Option A

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? H, J, L, N, P, ?

A. S

B. T

C. Q

D. R

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Correct Answer: Option D

Explanation:
The series consists of alternate letters: H, J, L, N, P. The next letter is R.

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? Q, R, T, W, A, ?

A. H

B. G

C. F

D. I

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Correct Answer: Option C

Explanation:
Differences: +1,+2,+3,+4 – next +5 gives A(1)+5=6→F.

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? WY, XZ, YA, ZB, ?

A. AD

B. AC

C. BC

D. BD

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Correct Answer: Option B

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

This question belongs to: Reasoning Letter Series

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