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Logical Reasoning | Syllogism 1

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Syllogism 1

In this type of reasoning questions, a few conclusions are drawn from two or more given statements. It is based on deductive reasoning rather than inductive reasoning. You have to consider the given statements to be true, even if they are different from established facts and accordingly choose the right answer.


1) Statements:

I) All heroes are villains.
II) All villains are zeros.
III) Some heroes are jokers.

Conclusion:

i) Some Jokers are heroes
ii) Some villains are jokers
iii) Some zeros are villains

  1. Only I, II follow
  2. All I, II, III follows
  3. Only I, III follow
  4. Only I, II follow
  5. None of these

Answer: B

Explanation:

Syllogism

From the given statement and the above diagram, it is clear that option B is the correct answer.


2) Statements:

I) Some parrots are owls.
II) All owls are pigeons.
III) All pigeons are snakes.

Conclusion:

i) Some parrots are pigeons
ii) Some pigeons are parrots
iii) All owls are snakes

  1. All follow
  2. Only I, III follow
  3. Only II, III follow
  4. Only I, II follow
  5. None of these

Answer: A

Explanation:

Syllogism

From the given statements and the above diagram, it is clear that option A is the correct answer.


3) Statements:

I) All crows are foxes.
II) All cats are jaguars.
III) Some cats are crows.

Conclusion:

I) Some jaguars are crows
II) Some foxes are jaguars
III) Some crows are Jaguars

  1. Only I, II follow
  2. All I, II, III follow
  3. Only I, III follow
  4. Only II, III follows
  5. None of these

Answer: B

Explanation:

Syllogism

From the given statements and the above diagram, it is clear that all statements follow.


4) Statements:

I) All ducks are rats
II) Some rats are hats
III) All hats are leaves

Conclusion:

I) Some leaves are ducks
II) Some hats are ducks
III) Some leaves are rats

  1. Only I follow
  2. Only II follows
  3. Only III follows
  4. Only II and III follow

Answer: C

Explanation:

Syllogism

From the given statements and the above diagram, it is clear that only III statement follows.


5) Statements:

I) All stones are flowers
II) All flowers are cars
III) Some cars are trucks

Conclusions:

I) Some trucks are stones
II) Some cars are stones
III) Some trucks are flowers

  1. Only II follows
  2. Only II and III follow
  3. Only I follow
  4. Only III follows
  5. None follows

Answer: A

Explanation:

Figures 3, 4 and 5 will form the square as shown in the following image;

Syllogism

From the given statements and the above diagram, it is clear that only II statement follows.


Syllogism 2
Syllogism 3
Syllogism 4


Next TopicSyllogism 2

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