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

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

A. R

B. Q

C. O

D. P

Answer: Option C

Solution (By JKSSB Mock Tests)

F(6)+3=I(9), I+5=N(14), N+7=U(21), U+9=D(30→4), D+11=15→O. So O.

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? Z, C, H, O, ?

A. X

B. Y

C. V

D. W

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Correct Answer: Option A

Explanation:
Z(26)+3=C(29→3), C+5=H(8), H+7=O(15), O+9=24→X. So X.

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? W, X, Z, C, G, ?

A. L

B. O

C. M

D. N

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Correct Answer: Option A

Explanation:
Differences: +1,+2,+3,+4 – next +5 gives G(7)+5=12→L.

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? A, C, F, J, O, ?

A. V

B. T

C. S

D. U

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Correct Answer: Option D

Explanation:
Differences: +2, +3, +4, +5, so next difference is +6. O+6 = U.

This question belongs to: Reasoning Letter Series

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