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Question

If each vowel in the word FRIENDLY is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter preceding it in the English alphabetical order, then which letter will be in the second position from the right in the new group of letters thus formed?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

K

This question involves a letter transformation puzzle based on the word \(FRIENDLY\). We need to apply specific rules to vowels and consonants and then determine a letter based on its position in the transformed sequence.

Understanding the Transformation Rules

The rules are:

  • Each vowel must be changed to the letter that immediately follows it in the English alphabetical order.
  • Each consonant must be changed to the letter that immediately precedes it in the English alphabetical order.

Applying the Rules to the Word FRIENDLY

First, let's identify the letters in the word \(FRIENDLY\) and classify them as vowels or consonants:

  • \(F\) - Consonant
  • \(R\) - Consonant
  • \(I\) - Vowel
  • \(E\) - Vowel
  • \(N\) - Consonant
  • \(D\) - Consonant
  • \(L\) - Consonant
  • \(Y\) - Consonant (Sometimes considered a vowel, but typically treated as a consonant in such puzzles unless specified otherwise)

Now, let's apply the transformation rules:

  • \(F\) (Consonant) changes to the preceding letter: \(E\)
  • \(R\) (Consonant) changes to the preceding letter: \(Q\)
  • \(I\) (Vowel) changes to the following letter: \(J\)
  • \(E\) (Vowel) changes to the following letter: \(F\)
  • \(N\) (Consonant) changes to the preceding letter: \(M\)
  • \(D\) (Consonant) changes to the preceding letter: \(C\)
  • \(L\) (Consonant) changes to the preceding letter: \(K\)
  • \(Y\) (Consonant) changes to the preceding letter: \(X\)

Forming the New Sequence

Combining the transformed letters in order, the new sequence formed from \(FRIENDLY\) is:

\(E Q J F M C K X\)

Identifying the Letter in the Second Position from the Right

We need to find the letter that is second from the right end of the new sequence \(E Q J F M C K X\).

Let's list the letters from right to left:

  • 1st position from the right: \(X\)
  • 2nd position from the right: \(K\)
  • 3rd position from the right: \(C\)
  • ...and so on.

Therefore, the letter in the second position from the right is \(K\).

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