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Letter / Alphabet Analogy

Introduction

Letter or Alphabet analogies test your ability to spot patterns in letter positions, sequences, and shifts. These questions are important because they evaluate sequencing skills, pattern recognition, and careful attention to alphabetical order - all crucial for verbal reasoning and competitive exams.

Pattern: Letter / Alphabet Analogy

Pattern

The key concept is: convert letters to their positions in the alphabet (A=1, B=2, … Z=26), identify the numeric or positional transformation between the first pair, then apply the same transformation to the second pair.

Step-by-Step Example

Question

BDF : FHJ :: KMO : ______
(A) OQS (B) NPS (C) PQS (D) PRS

Solution

  1. Step 1: Translate letters to positions.

    B(2), D(4), F(6) → F(6), H(8), J(10). The shift from B→F is +4, D→H is +4, F→J is +4.

  2. Step 2: Apply the same shift to the second group.

    K(11)+4 = O(15), M(13)+4 = Q(17), O(15)+4 = S(19) → OQS.

  3. Final Answer:

    OQS → Option A

  4. Quick Check:

    BDF (+4) → FHJ and KMO (+4) → OQS ✅

Quick Variations

1. Constant shift (e.g., +2, -1, +4).

2. Alternating shifts (e.g., +1, +2, +1 pattern).

3. Positional multiplication or doubling (e.g., 1→2, 2→4, 3→6 → letters B, D, F).

4. Reverse order or mirror (e.g., A↔Z, B↔Y).

5. Skip-sequence patterns (every 2nd, 3rd letter).

Trick to Always Use

  • Step 1 → Convert letters to their numeric positions (A=1 … Z=26) to avoid mistakes.
  • Step 2 → Check for constant arithmetic shifts first (+/- n).
  • Step 3 → If not constant, look for alternating patterns or multiplicative relations.
  • Step 4 → Always re-convert your numeric result back to letters and verify they are within A-Z range.

Summary

Summary

  • Convert letters to positions to identify numeric transformations easily.
  • Start by testing simple shifts (+/-) before trying complex rules.
  • Watch for alternating or repeating patterns across positions.
  • Always map numbers back to letters and confirm they fall between A and Z.

Example to remember:
BDF : FHJ :: KMO : OQS (each letter shifts +4).

Practice

(1/5)
1. A : C :: M : ______
easy
A. O
B. N
C. P
D. L

Solution

  1. Step 1: Convert to positions.

    A(1) → C(3) is +2.

  2. Step 2: Apply same shift.

    M(13) + 2 = O(15).

  3. Final Answer:

    O → Option A

  4. Quick Check:

    A→C (+2), M→O (+2) ✅
Hint: Convert letters to numbers and test a small constant shift first.
Common Mistakes: Assuming alphabetical neighbors without checking the numeric shift.
2. ACE : GIK :: MNO : ______
easy
A. MOP
B. STU
C. OPQ
D. QRS

Solution

  1. Step 1: Convert to numbers.

    A(1),C(3),E(5) → G(7),I(9),K(11); each letter +6.

  2. Step 2: Apply same +6 shift.

    M(13)+6=19(S), N(14)+6=20(T), O(15)+6=21(U) → STU.

  3. Final Answer:

    STU → Option B

  4. Quick Check:

    ACE (+6)→GIK and MNO (+6)→STU ✅
Hint: Check equal numeric gaps between corresponding letters of the pairs.
Common Mistakes: Adding inconsistent shifts (e.g., +2 then +4) instead of a uniform shift.
3. Z : X :: C : ______
easy
A. A
B. B
C. D
D. E

Solution

  1. Step 1: Convert letters to positions.

    Z(26) → X(24) is -2.

  2. Step 2: Apply same -2 shift.

    C(3) - 2 = A(1).

  3. Final Answer:

    A → Option A

  4. Quick Check:

    Z→X (-2) and C→A (-2) ✅
Hint: Don't assume only forward shifts-check negative shifts as well.
Common Mistakes: Applying positive shifts only and picking B or D without checking direction.
4. BDF : HJL :: PRT : ______
medium
A. QSU
B. RSV
C. VXZ
D. STV

Solution

  1. Step 1: Convert to positions.

    B(2)→H(8), D(4)→J(10), F(6)→L(12) - each +6.

  2. Step 2: Apply +6 shift to PRT.

    P(16)+6=22(V), R(18)+6=24(X), T(20)+6=26(Z) → VXZ.

  3. Final Answer:

    VXZ → Option C

  4. Quick Check:

    BDF(+6)→HJL and PRT(+6)→VXZ ✅
Hint: Test a uniform numeric shift quickly on the first letters to predict the rest.
Common Mistakes: Assuming inconsistent shifts or trying alternating patterns without checking uniformity.
5. MNO : JKL :: TUV : ______
medium
A. OPQ
B. RST
C. NOP
D. QRS

Solution

  1. Step 1: Convert to positions.

    M(13)→J(10), N(14)→K(11), O(15)→L(12) - each -3.

  2. Step 2: Apply -3 shift to TUV.

    T(20)-3=17(Q), U(21)-3=18(R), V(22)-3=19(S) → QRS.

  3. Final Answer:

    QRS → Option D

  4. Quick Check:

    MNO(-3)→JKL and TUV(-3)→QRS ✅
Hint: If letters move backward, test a negative shift across the group.
Common Mistakes: Mixing forward and backward shifts or picking a nearby sequence like RST incorrectly.

Mock Test

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