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

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What will come in place of the question mark (?) in the following letter series? C, D, F, I, M, ?

A. R

B. U

C. S

D. T

Answer: Option A

Solution (By JKSSB Mock Tests)

Differences: +1,+2,+3,+4 – next +5 gives M(13)+5=18→R.

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? X, A, F, M, V, ?

A. I

B. H

C. J

D. G

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Correct Answer: Option D

Explanation:
X(24)+3=A(27→1), A+5=F(6), F+7=M(13), M+9=V(22), V+11=33→G. So G.

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? DFH, HJL, LNP, ___, TVX

A. RQS

B. PRT

C. DTV

D. NRT

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Correct Answer: Option B

Explanation:
Each letter is shifted two positions forward: D+2=F, F+2=H, H+2=J. Continuing: P+2=R, R+2=T. The missing term is PRT.[reference:2]

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, K, M, O, Q, ?

A. R

B. U

C. S

D. T

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Correct Answer: Option C

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

This question belongs to: Reasoning Letter Series

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