Coded Inequality

Coded Inequality is a common topic in various competitive exams, especially in the reasoning section. It involves decoding coded statements to draw conclusions based on the given information. This set of study notes will help you understand the concepts and strategies to tackle questions related to coded inequality statements and draw accurate conclusions.

Key Concepts:

1. Coded Inequality Statements:

  • In coded inequality questions, statements are given in a coded form where letters, numbers, or symbols represent specific elements or relationships between elements.
  • Elements are usually denoted by alphabets (e.g., A, B, C) or numbers (e.g., 1, 2, 3).
  • Understanding the coding pattern is crucial for interpreting the statements correctly.

2. Coding and Decoding Patterns:

  • Analyze the given coding pattern by identifying the relationships between the coded letters, numbers, or symbols and their corresponding elements.
  • Common coding patterns include letter shifting, numerical representation, symbol substitution, or a combination of these.

3. Inequality Representation:

  • Inequality symbols like '>, <, >=, <=, =' represent relationships between two elements (letters, numbers, or symbols).
  • Understanding how the coding pattern corresponds to these inequality symbols is crucial.

4. Drawing Conclusions:

  • After decoding the statements, use the decoded information to determine the relationship between various elements.
  • Utilize the decoded inequalities to draw valid conclusions, keeping in mind the transitive property of inequalities.

Strategies to Solve Coded Inequality Questions:

1. Analyze the Coding Pattern:

  • Carefully examine the given codes and identify the relationship between the code and the actual element (letter or number).
  • Look for patterns or commonalities in the codes.

2. Decode the Statements:

  • Use the identified coding pattern to decode the given statements and rewrite them in a readable format.

3. Arrange Decoded Statements:

  • Arrange the decoded statements in a logical order, typically in a tabular format, to clearly visualize the relationships.

4. Apply Transitive Property of Inequalities:

  • Use the decoded inequalities to derive additional relationships between elements.
  • Apply the transitive property of inequalities to establish indirect relationships.

5. Draw Conclusions:

  • Based on the derived relationships and decoded inequalities, draw valid conclusions regarding the relative order of the elements.

Practice and Application:

  • Regular practice with a variety of coded inequality questions is essential to enhance your decoding skills and speed.
  • Develop a systematic approach for decoding and analyzing coded statements to effectively draw conclusions in a time-efficient manner.

Conclusion:

Understanding the coding pattern and effectively decoding coded inequality statements is crucial for solving reasoning questions accurately. Practice, analytical skills, and familiarity with different coding patterns will aid you in mastering this topic and performing well in competitive exams.

Question 1: Given the statement "A > B < C", which of the following conclusions is correct? a) A is greater than C b) B is greater than A c) B is less than C d) A is equal to B

Explanation:

  • "A > B < C" means "A is greater than B and B is less than C".
  • The correct conclusion is that "A is greater than C".

Correct Answer: a) A is greater than C


Question 2: If the statement "P = Q > R" is true, which conclusion is valid? a) P is greater than R b) Q is greater than P c) Q is less than R d) P is equal to Q

Explanation:

  • "P = Q > R" means "P is equal to Q and Q is greater than R".
  • The correct conclusion is that "P is equal to Q".

Correct Answer: d) P is equal to Q


Question 3: In a coded language, if "3 # 8 $ 5" means "5 is greater than 3 but less than 8", which conclusion can be drawn from "8 @ 6 # 7"? a) 7 is less than 8 but greater than 6. b) 6 is greater than 7 c) 7 is greater than 6 d) 6 is less than 7 but greater than 8

Explanation:

  • "3 # 8 $ 5" means "5 is greater than 3 but less than 8".
  • Applying the same logic, "8 @ 6 # 7" means "7 is less than 8 but greater than 6".

Correct Answer: a) 7 is less than 8 but greater than 6


Question 4: Given the coded statement "M > N = O < P", which conclusion is accurate? a) M is greater than P b) N is less than O c) O is greater than N d) P is less than M

Explanation:

  • "M > N = O < P" means "M is greater than N and N is equal to O and O is less than P".
  • The correct conclusion is that "O is greater than N".

Correct Answer: c) O is greater than N


Question 5: If "X < Y" means "X is less than Y", and "Y > Z" means "Y is greater than Z", which conclusion is true? a) X > Z b) X < Z c) Y = Z d) Z > X

Explanation:

  • "X < Y" means "X is less than Y".
  • "Y > Z" means "Y is greater than Z".
  • Combining these, we can conclude that "X > Z".

Correct Answer: a) X > Z