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Question

Select the letter that when placed in the blank of the given series will complete the series.
MNO, PQR, STU, V__X

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper PDF (31-Jan-2021) (Shift 1)
The correct answer is
W

The question requires completing a series of letter groups: MNO, PQR, STU, V__X.

Analyzing the Letter Series Pattern

Observe the pattern within and between the given letter groups:

  • Within Groups: Each group consists of three consecutive letters of the alphabet (MNO, PQR, STU).
  • Between Groups: Look at the first letter of each group: M, P, S, V.
  • The difference between the first letters of consecutive groups is 3 letters (M + 3 = P, P + 3 = S, S + 3 = V).

Determining the Missing Letter

The last group in the series starts with 'V' and ends with 'X'. Following the pattern of consecutive letters within each group:

  • The letter immediately following 'V' in the alphabet is 'W'.
  • The letter immediately following 'W' is 'X'.
  • Therefore, the missing letter in the group V__X is 'W'.

The completed series is MNO, PQR, STU, VWX.

The correct option is the one containing the letter 'W'.

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