Understanding Coding Decoding Problems

Coding-decoding questions are common in logical reasoning sections of various exams. These questions test your ability to identify a specific pattern or rule used to convert a word or number into a coded form. To solve them, you need to analyze the given examples, find the pattern, and then apply it to the word you need to code.

Analyzing the Given Code Language Examples

We are given two examples of words coded in a certain code language:

1. ‘PDFJARS’ is written as ‘OCELZQR’
2. ‘MHCXBTU’ is written as ‘LGBZAST’

Let's examine the first example, comparing each letter of the original word ‘PDFJARS’ with the corresponding letter in the coded word ‘OCELZQR’.

• P to O: O is one letter before P in the alphabet (-1 position).
• D to C: C is one letter before D in the alphabet (-1 position).
• F to E: E is one letter before F in the alphabet (-1 position).
• J to L: L is two letters after J in the alphabet (+2 positions).
• A to Z: Z is one letter before A in the alphabet, considering the alphabet wraps around (A to Z is -1 position).
• R to Q: Q is one letter before R in the alphabet (-1 position).
• S to R: R is one letter before S in the alphabet (-1 position).

Now, let's check if the same pattern holds for the second example, ‘MHCXBTU’ coded as ‘LGBZAST’.

• M to L: L is one letter before M (-1).
• H to G: G is one letter before H (-1).
• C to B: B is one letter before C (-1).
• X to Z: Z is two letters after X (+2).
• B to A: A is one letter before B (-1).
• T to S: S is one letter before T (-1).
• U to T: T is one letter before U (-1).

Yes, the pattern is consistent across both examples! The rule is to change the 1st, 2nd, 3rd, 5th, 6th, and 7th letters by moving one position back in the alphabet (-1), and change the 4th letter by moving two positions forward in the alphabet (+2).

Applying the Code Language Pattern to ZVDGENQ

Now we need to apply the identified pattern (-1, -1, -1, +2, -1, -1, -1) to the word ‘ZVDGENQ’ to find its coded form in the same code language.

• 1st letter Z: Z - 1 position → Y
• 2nd letter V: V - 1 position → U
• 3rd letter D: D - 1 position → C
• 4th letter G: G + 2 positions → I
• 5th letter E: E - 1 position → D
• 6th letter N: N - 1 position → M
• 7th letter Q: Q - 1 position → P

Combining these results, the coded word for ‘ZVDGENQ’ is ‘YUCIDMP’.

Verification with Options

Let's compare our derived coded word ‘YUCIDMP’ with the given options:

1. XUYCIMP
2. XUCDEMQ
3. XVDEDNO
4. YUCIDMP

Our result ‘YUCIDMP’ matches option 4.

Coding Decoding Solution Summary

The code language uses a specific positional transformation for each letter based on its position in the word. The pattern is backward shift by 1 position for letters 1, 2, 3, 5, 6, 7 and forward shift by 2 positions for the 4th letter. Applying this rule to ‘ZVDGENQ’ gives ‘YUCIDMP’.

Therefore, the coded word for ‘ZVDGENQ’ is ‘YUCIDMP’.

Revision Table: Coding Decoding Practice

Understanding different types of coding patterns is key to mastering coding decoding questions. Here’s a quick look at common patterns:

• Letter Shifting (like in this question, fixed shift or positional shift)
• Reverse Ordering
• Substitution (replacing letters with others)
• Mixed patterns (combining shifting and substitution or other rules)
• Number or Symbol Coding

Additional Information: Mastering Code Language Puzzles

To improve your skills in solving code language problems, practice regularly. Pay attention to details like the length of the words, the position of letters, and whether the alphabet wraps around from A to Z or Z to A. Sometimes the pattern might involve vowel/consonant changes, reversing the word, or using numbers instead of letters. Always check your identified pattern against all given examples before applying it to the target word.