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Question

If in a code language, MOTHER is coded as OMHTRE, then THURSDAY would be coded as:

The correct answer is

HTRUDSYA

Understanding the Coding Language Pattern

The question provides an example of a word coded into another word in a specific language or pattern. The example given is: MOTHER is coded as OMHTRE. We need to identify the rule or pattern used in this coding so we can apply it to the word THURSDAY.

Analyzing the Code for MOTHER

Let's look at the letters in the original word MOTHER and their positions, and compare them to the letters in the coded word OMHTRE and their original positions.

Original Word: M O T H E R

Positions:      1 2 3 4 5 6

Coded Word:  O M H T R E

Comparing the coded word to the original word positions:

  • The first letter of the coded word (O) was the second letter of the original word (position 2).
  • The second letter of the coded word (M) was the first letter of the original word (position 1).
  • The third letter of the coded word (H) was the fourth letter of the original word (position 4).
  • The fourth letter of the coded word (T) was the third letter of the original word (position 3).
  • The fifth letter of the coded word (R) was the sixth letter of the original word (position 6).
  • The sixth letter of the coded word (E) was the fifth letter of the original word (position 5).

This shows a clear pattern where letters are swapped in pairs:

  • The 1st and 2nd letters swap positions (MO becomes OM).
  • The 3rd and 4th letters swap positions (TH becomes HT).
  • The 5th and 6th letters swap positions (ER becomes RE).

So, the coding rule is to swap adjacent pairs of letters in the original word.

Applying the Coding Pattern to THURSDAY

Now, let's apply this pairwise swapping rule to the word THURSDAY.

The word THURSDAY has 8 letters. We will group them into pairs based on their positions:

T H | U R | S D | A Y

Now, we apply the swap rule to each pair:

  • Pair 1 (1st & 2nd letters): T H → H T
  • Pair 2 (3rd & 4th letters): U R → R U
  • Pair 3 (5th & 6th letters): S D → D S
  • Pair 4 (7th & 8th letters): A Y → Y A

Combining the results of the swapped pairs gives us the coded word:

H T R U D S Y A

Original Word T H U R S D A Y
Position 1 2 3 4 5 6 7 8
Swapped Position 2 1 4 3 6 5 8 7
Coded Word H T R U D S Y A

Comparing with the Options

The coded word for THURSDAY based on the pattern is HTRUDSYA.

Let's check the given options:

  1. HTRUDSYA
  2. HTRUSDYA
  3. HTRUSDAY
  4. UHTDSRYA

Option 1 matches our calculated coded word exactly.

Conclusion

The coding language uses a pattern of swapping adjacent pairs of letters. Applying this pattern to THURSDAY results in HTRUDSYA.

Revision Table: Coding Patterns

Pattern Type Description Example (Original → Coded)
Letter Shifting (Caesar Cipher) Each letter is shifted a fixed number of positions down or up the alphabet. CAT → DBU (Shift by 1)
Reverse Order The letters of the word are written in reverse order. APPLE → ELPPA
Pairwise Swapping Adjacent letters are swapped. MOTHER → OMHTRE
Position Swapping Letters at specific positions are swapped (e.g., 1st with 5th, 2nd with 4th). TABLE → ELBAT (if rule is reverse, or specific swaps)
Consonant/Vowel Arrangement Consonants and vowels are rearranged based on a rule. TEACHER → EAER TCH (Vowels first, then Consonants)

Additional Information on Logical Reasoning and Coding

Coding and decoding questions are common in logical reasoning tests. They assess your ability to identify patterns and rules based on given examples and apply them to new cases. These patterns can involve letter positions, alphabetical order, mathematical operations, or a combination of these.

Key steps to solve such problems:

  1. Study the example(s) carefully: Look at the original word and the coded word.
  2. Analyze the transformation: Try to find the relationship between the letters/numbers in the original and coded forms. Check for shifting, reversing, swapping, addition/subtraction of positions, etc.
  3. Identify the rule: Once you find a consistent pattern, state it clearly.
  4. Apply the rule: Use the identified rule to code the new word or decode the given coded word.
  5. Verify your answer: Check your result against the options provided.

Practice with different types of coding patterns helps improve your speed and accuracy in solving these reasoning questions.

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Important Questions from Coding and Decoding By Letter Shifting

  1. In a certain code language, 'INERTIA' is written as 'RGVKGBZ'. How will 'FLOWER' be written in that language?

  2. In a certain code language, ‘ADVANCE’ is written as ‘VDAAECN’ and ‘BABYSIT’ is written as ‘BABYTIS’. How will ‘AFFABLE’ be written in that language?

  3. In a certain language, CHHAPAK is coded as DJKEUGR. How will MALANGA be coded in that language?

  4. In a certain code language, ‘DURABLES’ is written as ‘BSVETFMC’. How will ‘FEASIBLE’ be written in that language?

  5. In a certain code language, 'FIXED' is written as 'XIFED' and 'MOUSE' is written as 'USOME'. How will 'GAMBIT' be written in that language?

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