How to Solve Inequality Questions for RRB PO Exam?

To excel in the Reasoning section of the RRB PO 2025 exam, you must have a strong grasp of the topic of Inequalities. This is one of the most frequently tested areas in government examinations, including RRB PO, where typically 2-4 questions appear, each carrying 1 mark. In this article, we break down the concept of inequalities, discuss the different types of questions that are commonly asked, and provide a set of important practice problems for you to practice using the steps given in the blog.

What Are Inequalities Questions in RRB PO Exam?

Inequalities are mathematical statements used to compare two values or expressions. In the Reasoning section of competitive exams, inequality questions test a candidate’s ability to interpret and analyse relationships between different elements. These relationships are expressed using symbols such as > , < , ≥ , ≤ , = , and ≠. The task is to determine the correct relation between two given elements based on the provided statements.

Important Symbols and Their Meanings used in Inequalities

Symbol	Meaning
>	Greater than
<	Less than
=	Equal to
≥	Greater than or equal to
≤	Less than or equal to
≠	Not equal to

Types of Inequality Questions

Understanding the types of questions is the first step towards accuracy. The following are the commonly asked varieties:

1. Direct Inequality

These are straightforward questions where symbols are used to show relationships between elements.
Example:
A > B = C < D ≥ E

Question: What is the relationship between A and E?
Solution: A > B = C < D ≥ E ⇒ A > C < D ≥ E ⇒ No definite relation between A and E.
Hence, the answer is “Can’t be determined.”

2. Coded Inequality

Here, different symbols represent mathematical relations, and you need to decode them first.
Example:
‘P @ Q’ means P > Q
‘P # Q’ means P = Q
‘P $ Q’ means P < Q

If A @ B $ C, then what is the relation between A and C?
⇒ A > B < C ⇒ No definite relation between A and C.
Answer: Cannot be determined.

3. Mixed Inequality

These questions involve a mix of direct and coded symbols, or multiple statements combined. You must interpret each relationship carefully and find the correct conclusion.

Step-by-Step Approach to Solve Inequality Questions

Step 1: Decode the Symbols (For Coded Inequalities)

Read the directions carefully to understand the meaning of each code. Do not assume — decoding incorrectly is the most common source of error.

Step 2: Combine the Statements

When multiple statements are given, link the variables only through common elements.
Example:
A > B = C < D
To find A and D, link through B or C.

Step 3: Derive the Relation

After combining, identify whether the relationship between the target variables (say A and D) can be determined.

Step 4: Choose the Correct Conclusion

Compare the conclusion with the derived relationship. The possible outcomes are:

• True: If the conclusion definitely follows.
  
• False: If the conclusion definitely does not follow.
  
• Can’t be determined: If both possibilities exist.
  

Download Inequalities PDF for Practice

In this section, we are providing the PDF for practising the questions on the Inequality topic of the reasoning section of RRB PO exam. Download the PDF and start your preparation.

Download Inequalities PDF for Practice

Common Mistakes to Avoid while solving Inequality questions

1. Ignoring symbol order:
   Confusing ‘≥’ with ‘≤’ or reading the direction incorrectly can change the entire answer.
   
2. Assuming equality:
   Never assume that two elements are equal unless clearly mentioned.
   
3. Skipping decoding step:
   In coded inequality, always decode first before comparing.
   
4. Rushing through options:
   Even though these are fast questions, one misread symbol can cost valuable marks.
   
5. Not practising mixed questions:
   In the exam, questions are often integrated with puzzles or inequalities mixed with syllogisms. Practice them regularly.
   

Conclusion

To practice more such topic-wise questions, you can take our test series, where you can get such topic-wise tests that are designed as per the exam pattern by our experts after analysing previous year papers. Also, our test series comes with a Detailed Comparison with the Topper so you can compare your Time, Score, Accuracy, Correct/Wrong Answers, and even the Average Performance side-by-side.

Disclaimer: The inequality questions and explanations provided are for practice only. They are illustrative, not official. Actual RRB PO exam questions may differ in format or difficulty. Aspirants should always consult official IBPS RRB PO notices for authentic information.

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