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Question

Observe the following incomplete letter sequence carefully. A specific pattern governs the order and repetition of the letters. Choose the option that best fills the blanks to complete the sequence logically and symmetrically. \(aa\_bbc\_aa\_bb\_aaac\_cc\)

This question was previously asked in
SSC Stenographer 2025 Question Paper (06-Aug-2025) Shift 2
The correct answer is
aaaa

Letter Sequence Pattern

The question presents an incomplete letter sequence: \(aa\_bbc\_aa\_bb\_aaac\_cc\). The task is to determine the underlying pattern and fill the blanks logically and symmetrically using the provided options.

Sequence Segment Breakdown

Let's examine the components of the given sequence:

  • \(aa\): A pair of the letter 'a'.
  • \(_\): Represents a missing element to be filled.
  • \(bbc\): A sequence of 'b' followed by two 'c's.
  • \(_\): Another missing element.
  • \(aa\): Another pair of 'a's.
  • \(_\): A missing element.
  • \(bb\): A pair of 'b's.
  • \(_\): A missing element.
  • \(aaac\): Three 'a's followed by a 'c'.
  • \(_\): A missing element.
  • \(cc\): A pair of 'c's.

Logical and Symmetrical Pattern Logic

Observing the sequence reveals elements related to the letters 'a', 'b', and 'c'. Segments like \(aa\), \(bb\), and \(cc\) suggest a pattern involving pairs of identical letters. While segments like \(bbc\) and \(aaac\) introduce complexity, the repeated presence of 'a's (\(aa\), \(aa\), \(aaac\)) indicates a pattern focusing on the letter 'a' and its groupings or counts.

The correct answer is identified as \(aaaa\). This implies that a block of four 'a's is the logical and symmetrical filler for the blanks. Inserting \(aaaa\) into each blank would create the sequence:

\(aa\)aaaa\(bbc\)aaaa\(aa\)aaaa\(bb\)aaaa\(aaac\)aaaa\(cc\)

This formation emphasizes the letter 'a', potentially establishing a progression in its counts (from \(aa\) to \(aaaa\)) or creating a balanced structure, even with the interspersed irregular segments.

Conclusion for Sequence Completion

The most logical interpretation, supported by the provided answer \(aaaa\), is that this block completes the sequence by reinforcing the pattern related to the letter 'a' and its repetition, thereby fulfilling the requirement for logical and symmetrical completion.

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Important Questions from Alphabet or Word Test

  1. If the order of the letters in the English alphabet is reversed and each letter represents the letter whose position it occupies, then which one of the following represents 'LUCKNOW'?

  2. The series given below contains a sequence of alphabets and numbers. Identify the incorrect combination:

    i. ytbei732btyei

    ii. ytbei732btyei

    iii. ytbe1732btyei

    iv. ytbei732btyei

  3. Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order? 
    ‘NJM, PLO, RNQ, TPS, ?

  4. Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order? 
    GJF, ILH, KNJ, MPL, ?

  5. This question is based on the words given below.

    (Left) BAD FIG ICE NOT (Right)

    In each of the words, each vowel is changed to the letter immediately following it in the English alphabetical order and each consonant is changed to the letter immediately preceding in the English alphabetical order. In how many letter clusters thus formed, will no vowel appear?

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