What will come in place of the question mark (?) in the following letter series? C, F, K, R, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following letter series? C, F, K, R, ?

A. Z

B. X

C. Y

D. W

Answer: Option C

Solution (By JKSSB Mock Tests)

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

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? XZ, YA, ZB, AC, ?

A. BD

B. CD

C. BE

D. CE

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Correct Answer: Option A

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

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? MO, QS, UW, YA, ?

A. CE

B. BE

C. CD

D. BD

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Correct Answer: Option A

Explanation:
First letters: M, Q, U, Y, C (+4, wrapping around). Second letters: O, S, W, A, E (+4, wrapping around). The next term is CE.

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? I, L, Q, X, ?

A. E

B. F

C. G

D. H

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Correct Answer: Option C

Explanation:
I(9)+3=L(12), L+5=Q(17), Q+7=X(24), X+9=33→7=G. So G.

This question belongs to: Reasoning Letter Series

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