Reasoning and logic analysis

Topic Reasoning in Competitive tests and Logic analysis

Apart from Maths and English, problem solving skill is tested in modern day leading competitive tests through a relatively new topic Reasoning. Though in daily life use, reasoning involves use of result bearing common sense also, in a formal academic test environment usually there is no place for subjectivity. Thus a number of different types of problems each with precise answers have been designed for testing the pattern recognition skill, analytical skill and logic analysis skill of the student, and are clubbed under the topic Reasoning.

Typically Reasoning includes problems of types, Analogy, Coding-decoding, Family relations, Logic puzzles or even English word, sentence and paragraph analysis.

We will start this new branch with how to solve the relatively more difficult and confusing logic puzzles efficiently in quick time by applying the powerful collapsed column logic analysis technique and then will go on to explore other types of Reasoning problems that require efficient problem solving.

In general stress will be on logic analysis.

How the following posts are organized

All the posts starting with "How to solve..." belong to the top level category of Tutorial. The rest are gathered from other categories of posts because the content of such a post is predominantly rich in Reasoning or Logic analysis. The tutorials are more academic with more detailed explanations.

An example of such other-than-Tutorial category posts is, SBI PO type high level floor stay reasoning puzzle solved few confident steps 1 under subcategory SBI PO which is under top level category Exams. This has been the first post in a series of SBI PO level reasoning puzzles solved and explained in detail under category exams.

A second example of such other-than-Tutorial category posts is, Method based solution of Einstein's logic analysis puzzle whose fish under subcategory Brain teasers which is under top level category Variety. This in fact is the detailed solution of a very popular and large assignment logic analysis puzzle generally known as Einstein's puzzle or Einstein's riddle that we solved applying the efficient Collapsed column logic analysis technique.

This series of posts starts with first presentation of the Collapsed column logic analysis technique in How to solve difficult SBI PO level reasoning puzzles in a few simple steps 1.

The posts appear in latest first time sequence.


Reverse cheque puzzle solution

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On finally receiving double the amount he wrote in cheque after 20 paise was expended from amount received from bank, Bhabababu understood that the bank cashier must have given rupees for paise written on cheque, and paise for rupees written on cheque. The reversing created a basic confusion in finding the cheque amount...

SBI PO type hard two row seating reasoning puzzle solved in confident steps 10

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In this session while solving a fairly complex two row three object set seating reasoning puzzle of SBI PO level, step by step systematic and quick solution could be achieved mainly by strategic analytical approach in selecting and executing right combination of logic statements at the right time using the minimal compact logic table...

How to solve hard two row seating reasoning puzzles for SBI PO in confident steps 6

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In this session we have adapted yet again the collapsed column concept to represent the logic table in minimal form while solving a fairly complex two row seating reasoning puzzle of SBI PO level. However, step by step systematic and quick solution could be achieved mainly by strategic analytical approach in selecting and executing right combination of logic statements at the right time...

SBI PO type high level four dimensional reasoning puzzle solved in confident steps 9

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In this ninth session on solving a SBI PO type high level reasoning puzzle in a few easy and confident steps without confusion, the puzzle chosen is again a pure assignment type logic analysis problem involving four object sets that are to be assigned to each other on one to one basis. The logic state representation being simple for such problems, the core element of logic analysis skill gains prime importance...

SBI PO type hard facing away circular seating reasoning puzzle solved in confident steps 8

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This is the 8th session on solving a SBI PO type high level reasoning puzzle in a few easy and confident steps without confusion. Eight students studying eight subjects seating on a round table but facing away from the center is not an easy puzzle to solve...

SBI PO type high level hard two in one circular seating reasoning puzzle solved in confident steps 7

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In this seventh session, the puzzle chosen happens to be a hybrid puzzle, a family relations puzzle and a circular seating reasoning puzzle mixed together into one puzzle. When you need to answer all types of questions on the relationships, professions and individual member positions of a family of eight members in four professions sitting around a circular table, you have a mixed or hybrid puzzle in hand which at first glance may seem to be quite complex....

SBI PO type high level one to many valued group based reasoning puzzle solved in confident steps 6

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In this sixth session on solving a SBI PO type high level reasoning puzzle in a few easy and confident steps without confusion, the puzzle chosen does not have all its assignment relations one to one. Among four object sets, two objects sets each have two members same. This creates groups or more formally one to many relationships. A simple adaptation of the minimal logic table deals with this special situation easily...

SBI PO type high level hard reasoning puzzle solved in confident steps 5

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In this fifth session on solving a SBI PO type high level reasoning puzzle in a few easy and confident steps without confusion, the puzzle chosen should come as an example of complexities involved when number of object sets to be assigned exceeds four. Nevertheless, such a problem poses welcome opportunities for honing logic analysis skills as well as emphasizes the importance of problem analysis and strategy in solving more difficult problems...

SBI PO type high level circular seating reasoning puzzle solved in confident steps 4

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This is the fourth session on solving a SBI PO type high level reasoning puzzle in a few easy and confident steps without confusion. Logic table adapted for round table and strategic selection of logic conditions for execution enable quick solution without confusion for this circular seating reasoning puzzle with a special characteristic...

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