Select the letter cluster from among the given options that can replace the question mark in the fol...........

Logical Resoning (CGL) Alpha-Numeric Series

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

PNNA, RPPE, TRRI, VTTO, ?

This questions was previously asked in

SSC CGL 13th August 2021 Shift-1

YVVU

XWWU

YUUV

XVVU

Let’s break this down step by step:

- Here are the clusters: PNNA, RPPE, TRRI, VTTO, ?

- Start with the first letters: P, R, T, V. Each jumps 2 letters ahead in the alphabet:

- P(16) ? R(18) ? T(20) ? V(22)… Next is X(24).

- The second letter follows the same jump: N, P, R, T (+2 each time). After T comes V.

- Third letter: N, P, R, T (+2 each time, same as above). So after T, again comes V.

- Fourth letter: A, E, I, O (+4 each time: A ? E ? I ? O). Next is U (+4 after O).

Let’s see which option fits:

- Option 1: YVVU (First letter isn’t right—should be X)

- Option 2: XWWU (Third letter isn’t right—should be V)

- Option 3: YUUV (First and third letters aren’t right)

- Option 4: XVVU (All letters follow the pattern perfectly)

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