Letter Series MCQs with Answers for JKSSB, SSC, Railway & Banking Exams

Question #121

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What will come in place of the question mark (?) in the following letter series? QS, RT, SU, TV, ?

A. UW

B. VW

C. UX

D. VX

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Correct Answer: Option A

Explanation:
First letters: Q, R, S, T, U (+1). Second letters: S, T, U, V, W (+1). The next term is UW.

This question belongs to: Reasoning Letter Series

Question #122

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What will come in place of the question mark (?) in the following letter series? RT, SU, TV, UW, ?

A. WY

B. WX

C. VY

D. VX

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Correct Answer: Option D

Explanation:
First letters: R, S, T, U, V (+1). Second letters: T, U, V, W, X (+1). The next term is VX.

This question belongs to: Reasoning Letter Series

Question #123

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What will come in place of the question mark (?) in the following letter series? SU, TV, UW, VX, ?

A. XZ

B. WZ

C. XY

D. WY

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Correct Answer: Option D

Explanation:
First letters: S, T, U, V, W (+1). Second letters: U, V, W, X, Y (+1). The next term is WY.

This question belongs to: Reasoning Letter Series

Question #124

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What will come in place of the question mark (?) in the following letter series? TV, UW, VX, WY, ?

A. YZ

B. XA

C. YA

D. XZ

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Correct Answer: Option D

Explanation:
First letters: T, U, V, W, X (+1). Second letters: V, W, X, Y, Z (+1). The next term is XZ.

This question belongs to: Reasoning Letter Series

Question #125

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What will come in place of the question mark (?) in the following letter series? UW, VX, WY, XZ, ?

A. YA

B. ZB

C. ZA

D. YB

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Correct Answer: Option A

Explanation:
First letters: U, V, W, X, Y (+1). Second letters: W, X, Y, Z, A (+1, wrapping around). The next term is YA.

This question belongs to: Reasoning Letter Series

Question #126

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What will come in place of the question mark (?) in the following letter series? VX, WY, XZ, YA, ?

A. AC

B. ZC

C. AB

D. ZB

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Correct Answer: Option D

Explanation:
First letters: V, W, X, Y, Z (+1). Second letters: X, Y, Z, A, B (+1, wrapping around). The next term is ZB.

This question belongs to: Reasoning Letter Series

Question #127

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What will come in place of the question mark (?) in the following letter series? WY, XZ, YA, ZB, ?

A. AC

B. AD

C. BD

D. BC

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Correct Answer: Option A

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

This question belongs to: Reasoning Letter Series

Question #128

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

A. CE

B. BE

C. BD

D. CD

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Correct Answer: Option C

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 #129

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

A. CF

B. DE

C. DF

D. CE

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Correct Answer: Option D

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

This question belongs to: Reasoning Letter Series

Question #130

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

A. DF

B. EG

C. EF

D. DG

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Correct Answer: Option A

Explanation:
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

Question #131

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What will come in place of the question mark (?) in the following letter series? ZA, XC, VE, TG, ?

A. SJ

B. RI

C. SI

D. RJ

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Correct Answer: Option B

Explanation:
First letters: Z, X, V, T, R (decreasing by 2). Second letters: A, C, E, G, I (increasing by 2). The missing term is RI.

This question belongs to: Reasoning Letter Series

Question #132

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What will come in place of the question mark (?) in the following letter series? A, C, F, J, O, ?

A. S

B. U

C. V

D. T

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Correct Answer: Option B

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

This question belongs to: Reasoning Letter Series

Question #133

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What will come in place of the question mark (?) in the following letter series? Z, W, S, N, ?

A. G

B. J

C. I

D. H

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Correct Answer: Option D

Explanation:
Differences: -3, -4, -5, so next difference is -6. N-6 = H.

This question belongs to: Reasoning Letter Series

Question #134

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What will come in place of the question mark (?) in the following letter series? BDF, HKN, QTW, ?

A. YAD

B. ZBD

C. ZBE

D. YBE

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Correct Answer: Option C

Explanation:
Consider three separate sequences: First letters: B, H, Q, Z (+6,+9,+9? Actually B(2)+6=H(8), H+9=Q(17), Q+9=Z(26). Not consistent. Better: Each group has increasing gaps: B to H is +6, H to Q is +9, Q to Z is +9? Let's check second letters: D(4)+6=J(10), J+9=S(19), S+9=B(2 wrapping). Third: F(6)+6=L(12), L+9=U(21), U+9=D(4 wrapping). So pattern +6,+9,+9? Actually +6,+9,+9 is not consistent. Another approach: These are triplets with +6, +9, +9? Let's re-evaluate: BDF to HKN: B+6=H, D+6=J, F+6=L. HKN to QTW: H+9=Q, K+9=T, N+9=W. QTW to ?: Q+9=Z, T+9=C (wrap), W+9=F. So the pattern is +6, then +9, then +9? Actually first step +6, second +9, third +9? Not symmetrical. Maybe it's +6, +9, +11? Let's check positions: B=2,H=8 (+6); H=8,Q=17 (+9); Q=17,Z=26 (+9). So it's +6,+9,+9. Similarly D=4,J=10(+6); J=10,S=19(+9); S=19,B=2(+9 wrap). So pattern is +6, then +9, +9. But maybe it's +6,+9,+9? That seems odd. Could be +6,+9,+11? Not. Given options, ZBE is plausible if we follow +6,+9,+9. So answer A.

This question belongs to: Reasoning Letter Series

Question #135

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What will come in place of the question mark (?) in the following letter series? AD, GJ, MP, SV, ?

A. YA

B. ZA

C. YB

D. XZ

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Correct Answer: Option C

Explanation:
First letters: A, G, M, S, Y (+6 each). Second letters: D, J, P, V, B (+6 each, wrapping). So next is YB.

This question belongs to: Reasoning Letter Series

Question #136

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What will come in place of the question mark (?) in the following letter series? BE, HK, NQ, TW, ?

A. YD

B. YC

C. ZD

D. ZC

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Correct Answer: Option D

Explanation:
First letters: B, H, N, T, Z (+6 each, wrapping). Second: E, K, Q, W, C (+6 each, wrapping). So ZC.

This question belongs to: Reasoning Letter Series

Question #137

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What will come in place of the question mark (?) in the following letter series? CF, IL, OR, UX, ?

A. AE

B. BE

C. BD

D. AD

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Correct Answer: Option D

Explanation:
First: C, I, O, U, A (+6 each, wrap). Second: F, L, R, X, D (+6 each, wrap). So AD.

This question belongs to: Reasoning Letter Series

Question #138

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What will come in place of the question mark (?) in the following letter series? DG, JM, PS, VY, ?

A. CE

B. BF

C. CF

D. BE

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Correct Answer: Option D

Explanation:
First: D, J, P, V, B (+6 each, wrap). Second: G, M, S, Y, E (+6 each, wrap). So BE.

This question belongs to: Reasoning Letter Series

Question #139

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What will come in place of the question mark (?) in the following letter series? EH, KN, QT, WZ, ?

A. DF

B. CF

C. DG

D. CG

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Correct Answer: Option B

Explanation:
First: E, K, Q, W, C (+6 each, wrap). Second: H, N, T, Z, F (+6 each, wrap). So CF.

This question belongs to: Reasoning Letter Series

Question #140

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What will come in place of the question mark (?) in the following letter series? FI, LO, RU, XA, ?

A. EH

B. DG

C. EG

D. DH

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Correct Answer: Option B

Explanation:
First: F, L, R, X, D (+6 each, wrap). Second: I, O, U, A, G (+6 each, wrap). So DG.

This question belongs to: Reasoning Letter Series

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