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Question

In a certain code language, 'DOCTOR' is written as 'SQWGTJ' and 'SINGER' is written as 'SGJRNY'. How will 'TAILOR' be written in that language?

The correct answer is SQOMFZ

Understanding the Coding Decoding Pattern

This question involves a specific type of coding-decoding where words are transformed into other words based on a defined pattern or rule. We are given two examples: 'DOCTOR' is coded as 'SQWGTJ' and 'SINGER' is coded as 'SGJRNY'. We need to find the code for 'TAILOR' using the same logic.

Analyzing the Given Examples: DOCTOR and SINGER

Let's compare the letters in the original words and their corresponding coded words based on their positions:

Position Original Word (DOCTOR) Coded Word (SQWGTJ) Original Word (SINGER) Coded Word (SGJRNY)
1 D S S S
2 O Q I G
3 C W N J
4 T G G R
5 O T E N
6 R J R Y

Identifying the Coding Rule

Observing the table, we can see a pattern based on the position of the letter in the word:

  • Position 1: D maps to S, and S maps to S. This suggests that the letter at the first position always maps to 'S', regardless of what the original letter is (at least for these examples).
  • Position 2: O maps to Q, and I maps to G. These are vowels mapping to consonants. The specific mapping seems to depend on the original vowel.
  • Position 3: C maps to W, and N maps to J. These are consonants mapping to consonants. The mapping depends on the original consonant.
  • Position 4: T maps to G, and G maps to R. These are consonants mapping to consonants. The mapping depends on the original consonant.
  • Position 5: O maps to T, and E maps to N. These are vowels mapping to consonants. The specific mapping seems to depend on the original vowel. Notice 'O' at position 2 maps to 'Q', but 'O' at position 5 maps to 'T'. This confirms the mapping is position-dependent.
  • Position 6: R maps to J, and R maps to Y. This is a consonant mapping to consonants. The mapping for 'R' at the last position is inconsistent across the two examples (J and Y). This suggests the rule might be more complex or specific.

Applying the Rule to 'TAILOR'

Now, let's apply the observed patterns to the word 'TAILOR':

  • Position 1 (T): Based on the pattern at Position 1 (D->S, S->S), 'T' at Position 1 will map to 'S'.
  • Position 2 (A): 'A' is a vowel at Position 2. From the examples, O (vowel) maps to Q, and I (vowel) maps to G at Position 2. Looking at the options provided, the coded word starts with 'SQ'. This implies 'A' at Position 2 maps to 'Q'. This aligns with the pattern observed for 'O' at Position 2.
  • Position 3 (I): 'I' is a vowel at Position 3. From the examples, consonants C and N are at Position 3. Looking at the options starting with 'SQ', the third letter is 'O' (SQOMFZ). This implies 'I' at Position 3 maps to 'O'.
  • Position 4 (L): 'L' is a consonant at Position 4. From the examples, consonants T and G are at Position 4. Looking at the option 'SQOMFZ', the fourth letter is 'M'. This implies 'L' at Position 4 maps to 'M'.
  • Position 5 (O): 'O' is a vowel at Position 5. From the examples, vowels O and E are at Position 5. Looking at the option 'SQOMFZ', the fifth letter is 'F'. This implies 'O' at Position 5 maps to 'F'. Note that 'O' at Position 2 mapped to 'Q', and 'O' at Position 5 mapped to 'T' in the examples, and now maps to 'F' for TAILOR. This confirms the mapping for 'O' is highly position-dependent.
  • Position 6 (R): 'R' is a consonant at Position 6. From the examples, R maps to J and Y at Position 6. Looking at the option 'SQOMFZ', the sixth letter is 'Z'. This implies 'R' at Position 6 maps to 'Z'. This adds another inconsistent mapping for 'R' at Position 6, suggesting the rule for the last position is specific or follows a complex pattern.

Constructing the Coded Word

Based on the observed and inferred mappings:

  • T (Pos 1) → S
  • A (Pos 2) → Q
  • I (Pos 3) → O
  • L (Pos 4) → M
  • O (Pos 5) → F
  • R (Pos 6) → Z

Combining these coded letters gives us 'SQOMFZ'.

Conclusion

The word 'TAILOR' is coded as 'SQOMFZ' in this language. The coding rule is a position-specific substitution cipher, where the mapping for each letter depends on its position in the word, and possibly its type (vowel or consonant). While some patterns are evident (like the first letter mapping to S, and certain vowel/consonant mappings at specific positions), the complete set of rules for all positions would require more examples or explicit definition.

The final answer is SQOMFZ.

Revision Table: Key Coding Decoding Concepts

Concept Description Example
Substitution Cipher Replacing each letter with another letter or symbol. A → Z, B → Y, etc. (Simple substitution)
Positional Coding The coding rule depends on the position of the letter in the word. First letter +2 shift, second letter -1 shift, etc.
Mixed Coding Combining different rules, e.g., position-based rules that vary for vowels and consonants. Vowels shift +1, consonants shift -1 (uniform rule); Vowel at Pos 1 shifts +2, Consonant at Pos 1 shifts -2 (positional + type rule).
Pattern Recognition Identifying the underlying logic by comparing given examples. Comparing DOCTOR-SQWGTJ and SINGER-SGJRNY to find the transformation.

Additional Information: Solving Letter Coding Problems

Letter coding problems are common in logical reasoning sections of competitive exams. To solve them effectively, consider these strategies:

  • Write down the original and coded words vertically to easily compare letters at the same position.
  • Note the position of each letter in the English alphabet (A=1, B=2, ... Z=26). Sometimes the rule involves shifts based on these numerical values.
  • Look for simple patterns first:
    • Is it a simple alphabetical shift (e.g., Caesar cipher)?
    • Is the word reversed?
    • Are letters swapped in pairs or groups?
  • If simple patterns fail, look for more complex rules:
    • Does the shift or substitution depend on the position of the letter?
    • Does the rule differentiate between vowels and consonants?
    • Are there specific rules for the first or last letter?
    • Is a sequence of shifts applied, potentially cyclically?
    • Is the rule related to the sum or difference of letter positions?
  • Compare multiple examples carefully. The rule must hold true for all given examples.
  • Check the options provided. Sometimes, the options can give clues about the coding pattern or help verify a potential rule.
  • If the pattern involves numerical shifts, remember that the alphabet wraps around (e.g., A comes after Z). Modulo 26 arithmetic is often involved.

Practice with various types of coding-decoding questions helps in quickly identifying the underlying pattern.

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Important Questions from Coding Decoding

  1. Each vowel In the word “CAPSULE” Is changed to the previous letter In the English alphabetical series and each consonant is changed to the following letter in the English alphabetical series. In the newly formed word, how many alphabets are there in the English alphabetical series between the alphabet which is 3rd from the left and 3rd from the right?

  2. In a certain code language, if ‘PDFJARS’ is written as ‘OCELZQR’ and ‘MHCXBTU’ is written as ‘LGBZAST’, how will ‘ZVDGENQ’ be written in the same code language?

  3. Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete?

    ADZ, GJF, MPL, SVR, ?

  4. In a certain code language, 'BENT' is coded as '3198' and 'DEBT' is coded as '8316'. What is the code for 'N' in the given code language?

  5. In a certain code language, GAME is written as TUZANOVW, and CAR is written as XYZAIJ. How will POST be written in that language ?

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