# Logical Deduction - Aptitude Questions and Answers - RejinpaulPlacement

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 Directions to Solve In each of the questions below are given statements 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 from the commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
6.
Statements: Some tables are TVs. Some TVs are radios.

Conclusions:
IV.All TVs are tables.

Solution: Since both the premises are particular, no definite conclusion follows.
7.
Statements: All terrorists are guilty. All terrorists are criminals.

Conclusions:
I. Either all criminals are guilty or all guilty are criminals.
II.Some guilty persons are criminals.
III.Generally criminals are guilty.
IV.Crime and guilt go together.

Solution: Since the middle term 'terrorists' is distributed twice in the premises, the conclusion cannot be universal. So, it follows that 'Some guilty persons are criminals'. Thus, II holds.
8.
Statements: Some books are pens. No pen is pencil.

Conclusions:
I. Some pens are books.
II.Some pencils are books.
III.Some books are not pencils.
IV. All pencils are books.
Answer: (C) Only I and III follow

Solution: Since one premise is particular and the other negative, the conclusion must be particular negative and should not contain the middle term. Thus, III follows. I is the converse of the first premise and so it also holds.
9.
Statements: Some bottles are drinks. All drinks are cups.

Conclusions:
I. Some bottles are cups.
II.Some cups are drinks.
III.All drinks are bottles.
IV.All cups are drinks.
Answer: (A) Only I and II follow

Solution: Since one premise is particular, the conclusion must be particular and should not contain the middle term. So, it follows that 'Some bottles are cups'. Thus, I follows. II is the converse of the second premise and so it also holds.
10.
Statements: Some houses are offices. Some offices are schools.

Conclusions:
I. Some schools are houses.
II.Some offices are houses.
III.No house is school.
IV.Some schools are offices.