Syllogism Questions and Answers : Logical Reasoning

1.

Statements: 
Some roads are ponds 
All ponds are stores 
Some stores are bags
Conclusion: 
Some bags are ponds 
Some stores are roads

   A.) If only conclusion 1 follows
   B.) If only conclusion 2 follows
   C.) If either conclusion 1 or 2 follows
   D.) If both conclusions 1 and 2 follows

Answer: Option 'D'

If both conclusions 1 and 2 follows

2.

Statements: 
Some pigs are dogs 
No cow is goat 
Some goats are nets
Conclusion: 
1. some pigs are cows 
2. Some nets are cows 
3. Some nets are pigs 
4. Some dogs are either pigs of nets

   A.) Only 1 follow
   B.) Only 2 follow
   C.) Only 1 and 2 follow
   D.) Only 2 and 4 follow

Answer: Option 'B'

Only 2 follow

3.

Statements: 
Some parrots are sparrows 
All sparrows are  crows
Conclusion: 
1. All crows are sparrows 
2. All doors are crows 
3. Some parrots are crows 
4. Some sparrows are crows

   A.) None follow
   B.) Only 1 and 2 follow
   C.) Only 2 and 3 follow
   D.) Only 4 follow

Answer: Option 'D'

Only 4 follow

4.

Statements:
Some fruits are mangos.
All mangos are guavas.
No guava is a banana.
Conclusions:
I. All fruits are bananas.
II. No mango is a banana.

   A.) If only conclusion I follows.
   B.) If only conclusion II follows.
   C.) If either conclusion I or conclusion II follows.
   D.) If both conclusions I and II follows.

Answer: Option 'B'

(i)  All pages are markers     --> Universal Affirmative (A - type).
(ii) Some fruits are apples    --> Particular Affirmative (I - type)
(iii)No book is a page         --> Universal Negative (E - type).
(iv) Some books are  not pages --> Particular Negative (O - type).
All mangos are guavas.
No guava is a banana

A + E => E - type of Conclusion
"No mango is a banana."
This is Conclusion II.

5.

Statements: 
All pens are books  
All books are computers
Conclusion: 
1. All pens are computers 
2. Some pens are computers 
3. Both 1 and 2 
4. None of these

   A.) Only 1 follows
   B.) Only 1 and 2 follow
   C.) Only 1 and either 2 or 4 follow
   D.) Only either 2 or 4 follows

Answer: Option 'B'

Only 1 and 2 follow

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