How to solve Syllogism Based Questions?

HOW TO SOLVE SYLLOGISM BASED QUESTIONS?

The word ‘Syllogism’ is also referred to ‘Logic’. Syllogism is an important section of logical reasoning and hence, a working knowledge of its rules is required on the part of the candidate. Hence, it can be expressed as the ‘Science of thought as expressed in language’. The questions based on syllogism can be solved by using Venn diagram and some rules devised with the help of analytical ability.

With this unique characteristic, this test becomes an instrument of teaching the candidates to follow the rules and work as per the instructions without an error. Here, only basic concept and rules, which have a bearing on reasoning faculty could alone help.

Basic Concepts:

• Some/Few/Atleast

 

 

 

 

• All/Cent/Percent/100%

 

 

 

 

• None/0%

 

 

 

Statements & Conclusions:

• Statement: All A are B

 

 

 

Conclusions	Follow or Not Follow
Some A are B	Yes
No A are B	No
Some A are not B	No
All B are A	No
Some B are A	Yes
No B are A	No
Some B are not A	No

• Statement: Some A are B
  

 

 

Conclusions	Follow or Not Follow
All A are B	Could be follow
No A are B	Impossible
Some A are not B	Not in all cases, but it’s possible
All B are A	no
Some B are A	Yes
No B are A	Impossible
Some B are not A	Could be possible

• Statement: No A are B
  

 

Conclusions	Follow or Not Follow
All A are B	No
Some A are B	No
All B are A	no
Some A are not B	Yes
Some B are A	No
No B are A	Yes
Some B are not A	Yes

 

• Statement: Some A are NOT B

 

 

 

Conclusions	Follow or Not Follow
All A are B	No
Some A are B	Could be follow
No A are B	Could be follow
All B are A	Could be follow
Some B are A	Not in all but Could be follow
No B are A	Could be follow
Some B are not A	Yes