What will come in place of the question mark (?) in the following letter series? ZB, AC, BD, CE, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following letter series? ZB, AC, BD, CE, ?

A. EG

B. DF

C. EF

D. DG

Answer: Option B

Solution (By JKExamLibrary)

First letters: Z, A, B, C, D (+1, wrapping around). Second letters: B, C, D, E, F (+1, wrapping around). The next term is DF.

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? EG, IK, MO, QS, ?

A. UW

B. TV

C. UV

D. TW

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Correct Answer: Option A

Explanation:
First letters: E, I, M, Q, U (+4). Second letters: G, K, O, S, W (+4). The next term is UW.

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? X, Y, A, D, H, ?

A. M

B. P

C. N

D. O

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Correct Answer: Option A

Explanation:
Differences: +1,+2,+3,+4 – next +5 gives H(8)+5=13→M.

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? T, W, B, I, R, ?

A. E

B. F

C. D

D. C

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Correct Answer: Option D

Explanation:
T(20)+3=W(23), W+5=B(28→2), B+7=I(9), I+9=R(18), R+11=29→C. So C.

This question belongs to: Reasoning Letter Series

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