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Question

Direction: Following questions are based on five words given below.
NGX      FHZ      TJU      DOU      WCM
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)

If the letter of given words are arranged in alphabetical order from left to right within the words then which of the following words will remain unchanged?

The correct answer is

2 and 4

Word Arrangement Problem

This problem asks us to identify words from a given set that remain unchanged after their letters are arranged in alphabetical order from left to right within each word. We are provided with five words: NGX, FHZ, TJU, DOU, and WCM. We will analyze each word individually to determine if it meets this specific condition.

Alphabetical Reordering Process

Let's take each word given in the problem and apply the specified operation: arranging its letters alphabetically from left to right.

  • NGX: The original letters are N, G, X. When these letters are arranged in alphabetical order, they become G, N, X. Therefore, the new word formed is GNX. The word NGX does not remain unchanged.
  • FHZ: The original letters are F, H, Z. When these letters are arranged in alphabetical order, they already are in alphabetical order, so they remain F, H, Z. Therefore, the new word formed is FHZ. The word FHZ remains unchanged.
  • TJU: The original letters are T, J, U. When these letters are arranged in alphabetical order, they become J, T, U. Therefore, the new word formed is JTU. The word TJU does not remain unchanged.
  • DOU: The original letters are D, O, U. When these letters are arranged in alphabetical order, they already are in alphabetical order, so they remain D, O, U. Therefore, the new word formed is DOU. The word DOU remains unchanged.
  • WCM: The original letters are W, C, M. When these letters are arranged in alphabetical order, they become C, M, W. Therefore, the new word formed is CMW. The word WCM does not remain unchanged.

Comparative Analysis of Words

To clearly see which words remained unchanged, let's compare the original words with their alphabetically rearranged versions in a table format.

Original Word Letters Arranged Alphabetically New Word Formed Unchanged?
NGX G, N, X GNX No
FHZ F, H, Z FHZ Yes
TJU J, T, U JTU No
DOU D, O, U DOU Yes
WCM C, M, W CMW No

Identifying Unchanged Words

Based on our step-by-step analysis, the words that remained exactly the same after arranging their letters alphabetically are:

  • FHZ
  • DOU

These two words correspond to options 2 and 4 from the given choices. Therefore, the correct option combining both of these is "2 and 4".

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Important Questions from Random Sequence of Alphabets

  1. In a certain code language, ‘MAP’ is written as ‘10’, ‘RAMP’ is written as ‘16’. What is the code for ‘LUR’ in that code language?

  2. In a certain code language, ‘PLAYER’ is written as ‘543976’, ‘DARE’ is written as ‘8367’. What is the code for ‘YELP’ in that code language?

  3. If the first and last letter of each word is replaced by immediate preceding letter as per alphabetical series, how many words will have only one vowel after rearrangement?

  4. If in each of given words, each of the consonants is replaced by their 2nd preceding letters in the alphabetical series, how many words thus formed will have two vowel?

  5. If all the alphabets are assigned numbers starting from A till Z (i.e. A = 1, B = 2 and so on), then what will be the sum of WCM?

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