Important Reasoning Concepts & Practice Questions with Answer Key & Solutions - PracticeMock Blog (2024)

The Reasoning section as we all know is quite an important section which many aspirants find difficult and time consuming. Those who are preparing for the upcoming banking exams must try to achieve great results in the reasoning section and for that one must study well by preparing and practicing all important topics. In this article we will be guiding the candidates with all Important Reasoning Concepts & Practice Questions with Answer Key & Solutions. The important topics will be well explained along with examples and few practice questions. For all those who find the Reasoning section difficult, the best strategy is to prepare for it thoroughly and if prepared properly, it may help you achieve the highest possible score. Below are the important reasoning concepts:

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Important Reasoning Concepts

It is important to understand these critical concepts or topics for reasoning preparation especially for banks. Thus, it’s important for the candidates to prepare the below mentioned topics thoroughly.

• Blood Relations
• Syllogism
• Inequalities
• Ranking
• Seating Arrangement
• Puzzles
• Direction Sense
• Coding Decoding
• Miscellaneous

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Important Reasoning Concepts & Practice Questions with Answer Key & Solutions

Mentioning below is the detailed explanation of each and every topic/concept

Blood Relations

Any relation in the world that is either by birth or marriage is a blood relation. For example, a relation by birth is father, mother, uncle, and son. While relations by marriage are father-in-law, mother-in-law, brother-in-law, etc.

Types of Blood Relations

A few types of blood relation questions are

1. Dialogue or Conversation Based: In these types of questions a statement is laid by a person describing a relation. The person may or may not be personally related to the one stating it.

2. Coding-Decoding: It is one of the recent types of blood relation questions, usually asked in the mains exam. In these questions, relations are represented by symbols.

3. Based on Puzzles: The blood relations are described in the form of a puzzle. Brief information about the relation between people is provided and questions are asked on the basis of that.

Note: Never assume the gender of any person on the basis of the name.

Read More: How to Prepare Blood Relations Concept along with Practice Questions- Important for RBI Assistant

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Syllogism

Syllogism is a very important topic of Logical Reasoning. It consists of few statements, which are followed by conclusions, you need to determine that among the given conclusions, which are correct/incorrect or follows/doesn’t follow. Syllogism basically checks the ability of a student to derive a conclusion or inference from the given statements. The statements and conclusions in syllogism may or may not be logical but while solving syllogism-based questions, you have to assume it to be 100% true.

Types of Syllogism

1. Basic Syllogism: In this type of syllogism questions, the statements are 100% true and the conclusion must be 100% true.

Example:

Statement: All Ball is Oval. Some Oval is Circle.

Conclusion: Some Ball is Circle.

The above conclusion is definitely false as we cannot derive any relationship between Ball and Circle from the above statement.

2. Complimentary pairs (Either – Or Case): In this type of syllogism questions, the statements are 100% true and two conclusions together can be partially true. Here are three cases when ‘Either-Or’ follows:

1. Some + Some not
2. Some + No
3. All + Some not

Example:

Statement: All Ball is Oval. Some Oval is Circle.

Conclusion:

1. Some Ball is Circle – False (As, there is no relation between Ball and Circle)
2. No Ball is Circle – False (As, there is no relation between Ball and Circle)

But if we consider both the conclusions together then, either conclusion 1 or conclusion 2 is true as this is a complimentary pair. If we consider the first conclusion to be true, the second conclusion is definitely false and if we consider second conclusion to be true, then the first conclusion is definitely false. So, both the conclusions together can be partially true.

3. Only – Only a few: This type of syllogism is conditional based syllogism. This is one of the most important concepts to be covered in syllogism as the questions based on ‘only – only a few’ is really confusing. If a statement says ‘only a few A is B’, then only a certain part of A is B and the remaining part is not B and if a statement says ‘Only A is B’, then All B is A, such that B can be only part of A.

4. Possibility based Syllogism: In this type of syllogism, the conclusion is based on possibilities e.g., if ‘All A is B’ and ‘No A is C’, then ‘Some C being B is a possibility’ is definitely true. In such type of syllogism, ‘can be’ or ‘possibility’ keywords are used.

5. Coded Syllogism: This type of syllogism usually comes in Mains examination, in which a comparison between two elements is usually defined by code i.e., symbol, number etc. For example: In, A&B, ‘&’ represents ‘some’, so we can interpret ‘Some A is B’.

6. Reverse Syllogism: This type of syllogism also comes in Mains examination. In this, few conclusions will be given, and you have to find out which statements given in the options will follow all these conclusions.

Read More: How to Master Syllogism Concept along with Practice Questions- Important for RBI Assistant

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Inequalities

Basic concepts of reasoning Inequality: In reasoning inequality, a group of elements are given, with a certain codedrelationship denoted by <, >, = ≤ or ≥. Such type of questions falls under the category of reasoning Inequality. The symbol used and their meaning are explained below.

1. P > Q means P is greater than Q.
2. P < Q means P is less than Q.
3. P = Q means P is equal to Q.
4. P ≥ Q means P is greater than or equal to Q.
5. P ≤ Q means P is less than or equal to Q.

In order to solve questions, understanding the order or the rank of these symbols is very important.

1. If A > B ≥ C is given, then A > C is true and not A ≥ C as, here the greater than sign is of higher order.
2. If A ≥ B is given, then either A > B or A = B is true.
3. If A < B < C is given, then A < C is true.
4. If A < B > C is given, then the relation between A and C cannot be determined.

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Types of Questions asked in Inequality

To solve the questions based on inequality, the relation between the given elements is to be determined. The three patterns in which the Inequality questions in reasoning are asked is as follows:

1. Basic/Normal inequality: In these types of questions, the elements are given and the relationship between them is marked with the help of the signs (<, >, =, ≥ and ≤). These types of questions are frequently asked in the preliminary exam of all major government exams.

For example: P < Q ≤ R ≥ S

2. Coded Inequality: This is a new format of inequality questions. Here instead of direct symbols, each sign is coded using a symbol, a number or an alphabet.

For example, ‘A#B where ‘#’ means A is greater than or equal to B’. Here, the ‘≥’sign has been denoted with the ‘#’ sign. This pattern is being followed in particularly the mains exam of all major government exams to make the questions complex and confusing. The coded inequality questions take a bit more time than the direct inequality questions, as the codes are first to be replaced with the respective symbols. Thus, the code based inequality questions require continuous practice to improve speed.

3. Missing symbol inequality: In these types of a question a statement is given with symbols missing. A relation, which needs to be satisfied, is given in the question and set of symbols which are to be placed in the blanks is given in option. These questions can both be basic or coded.

Read More: Tips to Master Inequalities Concept with Practice Questions

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