In a certain code language, 'APRIL' is coded as 'CSTLN" and 'MARCH' is coded as "ODTFJ". How will 'JUNE' be coded in that language?
LXPH
Decoding the Code Language Pattern
This question asks us to find the code for the word 'JUNE' based on the coding pattern observed in two given examples: 'APRIL' coded as 'CSTLN' and 'MARCH' coded as 'ODTFJ'. We need to analyze the relationship between the letters of the original words and their coded counterparts to uncover the rule used in this code language.
Analyzing the Code for 'APRIL' to 'CSTLN'
Let's look at the position of each letter in the alphabet and the corresponding letter in the code:
| Original Word | Letter | Alphabet Position | Coded Word | Coded Letter | Alphabet Position | Shift |
|---|---|---|---|---|---|---|
| APRIL | A | \(1\) |
CSTLN | C | \(3\) |
\(3 - 1 = +2\) |
| P | \(16\) |
S | \(19\) |
\(19 - 16 = +3\) |
||
| R | \(18\) |
T | \(20\) |
\(20 - 18 = +2\) |
||
| I | \(9\) |
L | \(12\) |
\(12 - 9 = +3\) |
||
| L | \(12\) |
N | \(14\) |
\(14 - 12 = +2\) |
From the analysis of 'APRIL' and 'CSTLN', we observe a pattern of letter shifts: +2, +3, +2, +3, +2.
Analyzing the Code for 'MARCH' to 'ODTFJ'
Let's apply the same analysis to the second example:
| Original Word | Letter | Alphabet Position | Coded Word | Coded Letter | Alphabet Position | Shift |
|---|---|---|---|---|---|---|
| MARCH | M | \(13\) |
ODTFJ | O | \(15\) |
\(15 - 13 = +2\) |
| A | \(1\) |
D | \(4\) |
\(4 - 1 = +3\) |
||
| R | \(18\) |
T | \(20\) |
\(20 - 18 = +2\) |
||
| C | \(3\) |
F | \(6\) |
\(6 - 3 = +3\) |
||
| H | \(8\) |
J | \(10\) |
\(10 - 8 = +2\) |
The analysis of 'MARCH' and 'ODTFJ' confirms the pattern: +2, +3, +2, +3, +2.
Applying the Code Pattern to 'JUNE'
Now, let's apply the discovered +2, +3, +2, +3 pattern to the word 'JUNE'.
- First letter 'J': Position
\(10\). Apply +2 shift:\(10 + 2 = 12\). The 12th letter is 'L'. - Second letter 'U': Position
\(21\). Apply +3 shift:\(21 + 3 = 24\). The 24th letter is 'X'. - Third letter 'N': Position
\(14\). Apply +2 shift:\(14 + 2 = 16\). The 16th letter is 'P'. - Fourth letter 'E': Position
\(5\). Apply +3 shift:\(5 + 3 = 8\). The 8th letter is 'H'.
Combining the coded letters, we get 'LXPH'.
Conclusion: Coded Word for JUNE
Based on the consistent pattern derived from the examples, the word 'JUNE' is coded as 'LXPH' in this code language.
Revision Table: Coding Logic Summary
| Word | Original Letter | Shift Pattern Applied | Coded Letter |
|---|---|---|---|
| APRIL | A | +2 | C |
| P | +3 | S | |
| R | +2 | T | |
| I | +3 | L | |
| L | +2 | N | |
| MARCH | M | +2 | O |
| A | +3 | D | |
| R | +2 | T | |
| C | +3 | F | |
| H | +2 | J | |
| JUNE | J | +2 | L |
| U | +3 | X | |
| N | +2 | P | |
| E | +3 | H |
Additional Information: Types of Coding-Decoding
Coding-decoding questions are common in reasoning sections of competitive exams. They test your ability to identify patterns and rules in a given set of examples and apply them to new cases. Common types include:
- Letter Coding: Letters are replaced by other letters based on specific rules (like position shifts, reverse order, etc.). This is the type seen in this problem.
- Number Coding: Words or letters are coded using numbers.
- Symbol Coding: Words are coded using symbols.
- Substitution Coding: A specific word is replaced by another word (e.g., 'red' is called 'blue').
Solving these questions requires careful observation, analysis, and systematic application of the identified logic.
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Important Questions from Coding By Analogy
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If ‘book’ is a table, ‘table’ is a ‘fan’, ‘fan’ is a ‘chair’ and ‘chair’ is a ‘pencil’, on which of the following will a person sit?
If banana is apple, apple is grapes, grapes is litchi, litchi is nuts, nuts is guava, which of the following is a yellow fruit?
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