MEDIUM
UPSC CDS
IMPORTANT
Earn 100

Directions: In the fol­lowing question, three statements are given followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclu­sions logically follows from the given statements disregarding commonly known facts.

Statements: Some dogs are rats. All rats are trees. Some trees are not dogs.

Conclusions:  

I. Some trees are dogs.

II. All dogs are trees.

III. All rats are dogs.

IV. No tree is dog.

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Important Questions on Logic

EASY
UPSC CDS
IMPORTANT

Directions: In the question, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follow from the given statements disregarding commonly known facts.

Statements: All drums are flutes. All guitars are drums.

Conclusions:      

I. All guitars are flutes.
II. All drums are guitars.

EASY
UPSC CDS
IMPORTANT

In the following question, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follow from the given statement disregarding commonly known facts:

Statements:
Some speakers are guests.
No guest is a dignitary

Conclusions:
I. No dignitary is a speaker.
II. Some speakers are definitely not dignitaries.

EASY
UPSC CDS
IMPORTANT

Directions: In the question, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follow from the given statements disregarding commonly known facts.

Statements: All spades are tool. No spade is a vessel.

Conclusions: 

I. At least some tools are vessel.
II. No tool is a vessel. 

EASY
UPSC CDS
IMPORTANT

Directions: In the question, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follow from the given statements disregarding commonly known facts.

Statements: All users are senders.

Some users are machines.

Conclusions:   

I. Some senders are machines.
II. All senders are machines.

EASY
UPSC CDS
IMPORTANT

Directions: In the question, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follow from the given statements disregarding commonly known facts.

Statements: Some cooks are employees. Some employees are workers.

Conclusions:

I. All cooks are workers.

II. No cook is a worker.

EASY
UPSC CDS
IMPORTANT

Directions: In the question, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follow from the given statements disregarding commonly known facts.

Statements: No win is a loss.

All losses are victories. 

Conclusions: 

I. No victory is a win.
II. Some victories are wins.

EASY
UPSC CDS
IMPORTANT

Directions: In the question, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follow from the given statements disregarding commonly known facts.

Statements:

All sides are lengths. No length is breadth.

Conclusions:        

I. All lengths are sides.
II. No breadth is a side. 

 

MEDIUM
UPSC CDS
IMPORTANT

Directions: In the question, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follow from the given statements disregarding commonly known facts.

Statements: No remark is a wish. Some wishes are hopes.

Conclusions:

I. At least some remarks are hopes.
II. All hopes are wishes.