Two statements are given followed by four conclusions I, II, III and IV. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions if any, follow from the given statements.

Statements
All pens are pencils.
No pencil is a monkey.

Conclusions
I. No pen is a monkey.
II. Some pens are monkeys.
III. All monkeys are pens.
IV. Some monkeys are pens.

Either conclusion II or III follows

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Either conclusion II or IV follows

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Only conclusion I follows

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All conclusions follow

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None of the above

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Solution

The correct option is C Only conclusion I follows
The first premise is universal affirmative (A-type).
The second premise is Universal Negative (E-type).
All pens are pencils.
No pencil is a monkey.
\(A+E=E-type of conclusion
"No pen is a monkey".
This is conclusion I.

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Similar questions

In the following question, there are two statements (A) and (B) followed by four conclusions numbered I, II, III and IV. Though the statements are at variance from commonly known facts, you have to assume them to be true. Read the colcusions and, based on the information given in statements (A) and (B), decide which of the opinions follow from A and B.

Statements: (A) All pens are pencils.

(B) No pencil is monkey.

Conclusions
I. No pen is a monkey
II. Some pens are monkeys.
III. All monkeys are pens.
IV. Some monkeys are pens.

Q. Three statements are given followed by four conclusions I, II, III and IV. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions if any, follow from the given statements.

Statements
All books are boxes.
All boxes are pens.
All pens are papers.

Conclusions
I. Some papers are books.
II. All books are papers.
III. All boxes are books.

Q. Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements.
Statements:
All tables are boards.
All pens are boards.
All boards are papers.
Conclusions:
I. Some pens are tables.
II. Some papers are pens.
III. No pen is table.

Q. Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements.

Statements:
All chocolates are holders.
No holder is a lamp.
Some lamps are desks.
All desks are pens.
Conclusions:
I. Some pens are holders.
II. Some desks are lamps.
III. No pen is a holder.
IV. Some pens are chocolates.

Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements.

Statements:
All mirrors are buildings.
Some buildings are pens.
No pen is paper.

Conclusions:
I. Some papers are mirrors.
II. Some pens are mirrors.
III. Some papers are buildings.

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The correct option is C Only conclusion I followsThe first premise is universal affirmative (A-type). The second premise is Universal Negative (E-type). All pens are pencils. No pencil is a monkey. \(A+E=E-type of conclusion "No pen is a monkey". This is conclusion I.

The correct option is C Only conclusion I follows
The first premise is universal affirmative (A-type).
The second premise is Universal Negative (E-type).
All pens are pencils.
No pencil is a monkey.
\(A+E=E-type of conclusion
"No pen is a monkey".
This is conclusion I.