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Question

If each vowel in the word ELASTIC is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter following it in the English alphabetical order, then which of the following letters will be fourth from the right in the group of letter 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

T

Understanding the ELASTIC Word Transformation

The question asks us to modify the word ELASTIC based on specific rules and then identify a letter based on its position from the right end of the modified word.

Step 1: Identify Vowels and Consonants in ELASTIC

First, let's break down the word ELASTIC into its vowels and consonants.

  • Vowels: E, A, I
  • Consonants: L, S, T, C

Step 2: Apply the Transformation Rules

We need to apply two rules:

  1. Change each vowel to the next letter in the English alphabet.
  2. Change each consonant to the next letter in the English alphabet.

Let's apply these rules letter by letter:

  • E (vowel) → F
  • L (consonant) → M
  • A (vowel) → B
  • S (consonant) → T
  • T (consonant) → U
  • I (vowel) → J
  • C (consonant) → D

Step 3: Form the New Word

Combining the transformed letters, the new word formed from ELASTIC is:

F M B T U J D

Step 4: Find the Letter Fourth from the Right

Now, we need to find the letter that is fourth from the right end of the new word "FMBTUJD". Let's count from the right:

  • 1st from the right: D
  • 2nd from the right: J
  • 3rd from the right: U
  • 4th from the right: T

The letter fourth from the right in the transformed word is T.

Conclusion

Following the given transformation rules for vowels and consonants in the word ELASTIC, the resulting sequence of letters is FMBTUJD. The letter at the fourth position from the right end of this sequence is T.

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