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

A. Z

B. B

C. A

D. Y

Answer: Option C

Solution (By JKSSB Mock Tests)

The differences are: +3, +3, +3. The next letter is A (wrapping around).

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? M, P, U, B, ?

A. I

B. K

C. L

D. J

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Correct Answer: Option B

Explanation:
M(13)+3=P(16), P+5=U(21), U+7=B(28→2), B+9=11→K. So K.

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? K, M, O, Q, S, ?

A. V

B. U

C. T

D. W

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Correct Answer: Option B

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

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? IK, MO, QS, UW, ?

A. YZ

B. XZ

C. XA

D. YA

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Correct Answer: Option D

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

This question belongs to: Reasoning Letter Series

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