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Question

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

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
SATZ

Letter Series Pattern Analysis

The question presents a series of letter clusters: MANZ, OAPZ, QARZ, and asks to identify the next cluster in the sequence.

We need to find the pattern governing the change between consecutive terms.

Identifying the Sequence Logic

Let's examine the pattern by looking at each position in the letter clusters:

  • First Letter: M → O → Q → ?
    • M is the 13th letter.
    • O is the 15th letter (+2 from M).
    • Q is the 17th letter (+2 from O).
    • The pattern is adding 2 to the position of the letter in the alphabet.
    • Therefore, the next letter is the 17 + 2 = 19th letter, which is S.
  • Second Letter: A → A → A → ?
    • The second letter remains constant as 'A'.
    • Therefore, the next letter is A.
  • Third Letter: N → P → R → ?
    • N is the 14th letter.
    • P is the 16th letter (+2 from N).
    • R is the 18th letter (+2 from P).
    • The pattern is adding 2 to the position of the letter in the alphabet.
    • Therefore, the next letter is the 18 + 2 = 20th letter, which is T.
  • Fourth Letter: Z → Z → Z → ?
    • The fourth letter remains constant as 'Z'.
    • Therefore, the next letter is Z.

Constructing the Next Term

Combining the letters derived from the pattern:

  • First letter: S
  • Second letter: A
  • Third letter: T
  • Fourth letter: Z

The next cluster in the series is SATZ.

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Important Questions from Letter Based Series

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