Logical Deduction · Exercise 1 of 4

Logical Deduction Logical Deduction - Section 1

50 questions
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Category: Logical Reasoning
Topic: Logical Deduction
Exercise: Logical Deduction - Section 1
Questions: 50

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Directions

In each question below are given two statements followed by two conclusions numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusion and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.

Give answer:

(A) If only conclusion I follows

(B) If only conclusion II follows

(D) If neither I nor II follows and

(E) If both I and II follow.

Question 11

Statements: All cars are cats. All fans are cats.

Conclusions:

I. All cars are fans

II. Some fans are cars.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 12

Statements: All young scientists are open-minded. No open-minded men are superstitious.

Conclusions:

I. No scientist is superstitious.

II. No young people are superstitious.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 13

Statements: Some pastries are toffees. All toffees are chocolates.

Conclusions:

I. Some chocolates are toffees.

II. Some toffees are not pastries.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 14

Statements: All boys are honest. Sachin is honest.

Conclusions:

I. Sachin is a boy.

II. All honest persons are boys.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 15

Statements: All pens are roads. All roads are houses.

Conclusions:

I. All houses are pens.

II. Some houses are pens.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 16

Statements: All artists are smokers. Some smokers are drunkards.

Conclusions:

I. All smokers are artists.

II. Some drunkards are not smokers.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 17

Statements: All fish are tortoise. No tortoise is a crocodile.

Conclusions:

I. No crocodile is a fish.

II. No fish is a crocodile.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 18

Statements: Some dedicated souls are angels. All social workers are angels.

Conclusions:

I. Some dedicated souls are social workers.

II. Some social workers are dedicated souls.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 19

Statements: No gentleman is poor. All gentlemen are rich.

Conclusions:

I. No poor man is rich.

II. No rich man is poor.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

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Question 20

Statements: Some swords are sharp. All swords are rusty

Conclusions:

I. Some rusty things are sharp.

II. Some rusty things are not sharp.

A Only conclusion I follows

B Only conclusion II follows

C Either I or II follows

D Neither I nor II follows

E Both I and II follow

Discuss in Forum

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