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Question

What should come in place of the question mark (?) in the given series based on the English alphabetical order?
CLW WFQ QZK KTE ?

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is
ENY

Solving the Alphabetical Series: CLW WFQ QZK KTE ?

This solution explains the pattern to find the missing term in the alphabetical sequence CLW WFQ QZK KTE ?.

Identifying the Pattern

We analyze the positional values of letters in the standard English alphabet (A=1, B=2, ..., Z=26).

The given series is: CLW, WFQ, QZK, KTE, ?

Analyzing Letter Positions

We identify a consistent pattern by examining each letter position across the terms:

  • First Letter Progression:

    The sequence of first letters is C(3), W(23), Q(17), K(11).

    The pattern involves subtracting 6 from the alphabetical position:

    • \(3 - 6 = -3\). Modulo 26, this is \(23\), which corresponds to W.
    • \(23 - 6 = 17\), which corresponds to Q.
    • \(17 - 6 = 11\), which corresponds to K.

    Applying the pattern to find the next letter: \(11 - 6 = 5\). The 5th letter is E.

  • Second Letter Progression:

    The sequence of second letters is L(12), F(6), Z(26), T(20).

    The pattern here is also subtracting 6:

    • \(12 - 6 = 6\), which corresponds to F.
    • \(6 - 6 = 0\). Modulo 26, this is \(26\), which corresponds to Z.
    • \(26 - 6 = 20\), which corresponds to T.

    Applying the pattern to find the next letter: \(20 - 6 = 14\). The 14th letter is N.

  • Third Letter Progression:

    The sequence of third letters is W(23), Q(17), K(11), E(5).

    This position also follows the pattern of subtracting 6:

    • \(23 - 6 = 17\), which corresponds to Q.
    • \(17 - 6 = 11\), which corresponds to K.
    • \(11 - 6 = 5\), which corresponds to E.

    Applying the pattern to find the next letter: \(5 - 6 = -1\). Modulo 26, this is \(25\), which corresponds to Y.

Conclusion

By combining the next letters derived from each position (E, N, Y), we find the missing term in the series is ENY.

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Important Questions from Alphabet Series

  1. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    G _ C T _ X _ T G X _ T _ X C T G _ C T

  2. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    Q _ P _ M _ A _ T _ Q A _ T M

  3. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    r _ x l _ q _ _ x _ p q _ e _ l p _

  4. Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

    BKR, DNV, FQZ, ?, JWH

  5. Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

    AU, BO, CI, DE, ?

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