In a certain language, 'honest persons' is coded as 'yu du', 'he is honest' is coded as 'du mu cu', 'she is emotional' is coded as 'mu hu ru', and 'she left' is coded as 'hu nu'. What is the code for the word 'emotional' in the code language?
ru
Decoding the Language: Finding the Code for 'Emotional'
This problem requires us to decode words based on the given coded phrases in a specific language. We need to compare these phrases to find common words and their corresponding common codes.
Let's list the given coded phrases:
- 'honest persons' is coded as 'yu du' (Statement 1)
- 'he is honest' is coded as 'du mu cu' (Statement 2)
- 'she is emotional' is coded as 'mu hu ru' (Statement 3)
- 'she left' is coded as 'hu nu' (Statement 4)
Step-by-Step Deduction
We will compare these statements systematically to find the codes for individual words.
Finding the Code for 'honest'
Let's compare Statement 1 and Statement 2:
- Statement 1: 'honest persons' → 'yu du'
- Statement 2: 'he is honest' → 'du mu cu'
The common word in both statements is 'honest'. The common code word is 'du'.
Therefore, the code for 'honest' is 'du'.
Finding the Code for 'is'
Now let's compare Statement 2 and Statement 3:
- Statement 2: 'he is honest' → 'du mu cu'
- Statement 3: 'she is emotional' → 'mu hu ru'
We already know that 'honest' is 'du'. Let's substitute this into Statement 2: 'he is du' → 'du mu cu'. The remaining words/codes are 'he is' → 'mu cu'.
Comparing the remaining parts of Statement 2 ('he is' → 'mu cu') and Statement 3 ('she is emotional' → 'mu hu ru'), the common word is 'is', and the common code is 'mu'.
Therefore, the code for 'is' is 'mu'.
Finding the Code for 'she'
Next, let's compare Statement 3 and Statement 4:
- Statement 3: 'she is emotional' → 'mu hu ru'
- Statement 4: 'she left' → 'hu nu'
We know that 'is' is 'mu'. Let's substitute this into Statement 3: 'she mu emotional' → 'mu hu ru'. The remaining words/codes are 'she emotional' → 'hu ru'.
Comparing the remaining parts of Statement 3 ('she emotional' → 'hu ru') and Statement 4 ('she left' → 'hu nu'), the common word is 'she', and the common code is 'hu'.
Therefore, the code for 'she' is 'hu'.
Finding the Code for 'emotional'
We are looking for the code for 'emotional'. Let's look back at Statement 3:
- Statement 3: 'she is emotional' → 'mu hu ru'
We have found the codes for 'she' and 'is':
- 'she' is 'hu'
- 'is' is 'mu'
Substituting these into Statement 3, we get: 'hu mu emotional' → 'mu hu ru'.
The words 'she' and 'is' correspond to the codes 'hu' and 'mu' (the order doesn't matter in such problems unless specified). The remaining word on the left side is 'emotional', and the remaining code on the right side is 'ru'.
Therefore, the code for 'emotional' is 'ru'.
Summary of Codes Found
| Word | Code |
|---|---|
| honest | du |
| is | mu |
| she | hu |
| emotional | ru |
Based on our step-by-step analysis of the given coded phrases, the code for the word 'emotional' is 'ru'.
Revision Table: Coding-Decoding Practice
| Concept | Key Strategy | Example Applied Here |
|---|---|---|
| Common Code | Identify words present in multiple statements. | 'honest' in Statements 1 & 2; 'is' in Statements 2 & 3; 'she' in Statements 3 & 4. |
| Common Word | Find the code word that appears in the corresponding coded phrases. | 'du' for 'honest'; 'mu' for 'is'; 'hu' for 'she'. |
| Elimination | Once a code for a word is found, eliminate it from other statements to simplify. | Used codes for 'honest', 'is', and 'she' to isolate 'emotional'. |
Additional Information: Mastering Coding-Decoding
Coding-decoding questions are common in many competitive exams. They test your logical reasoning and pattern recognition skills. Here are some tips for solving such problems:
- Read all the given statements carefully.
- Look for words that appear in more than one statement.
- Identify the corresponding code words that are common to the coded phrases for those statements.
- Use the process of elimination. Once you find the code for a word, you can remove it from other statements to make it easier to find the codes for the remaining words.
- Sometimes, the order of words in the code might not match the order of words in the phrase. Focus on finding the correct pair (word and its code).
- Practice with different types of coding-decoding questions to improve your speed and accuracy.
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