Statements: All pens are pencils. No pencil is an eraser. Conclusions: I. No eraser is a pen. II. No pen is an eraser.

Only conclusion I follows
Only conclusion II follows
Both conclusions I and II follow
Neither conclusion I nor conclusion II follows

Correct Answer: Both conclusions I and II follow

Explanation:

The first Premise is Universal Affirmative (A-type)
The second Premise is Universal Negative (E-type).
All pens are pencils. ↔ No pencil is an eraser.
A + E ⇒ E-type of Conclusion "No pen is an eraser".
This is Conclusion II.
Conclusion I is the Converse

← Previous Question Next Question→

More Questions from Syllogism

Statements: Some hills are rivers. Some rivers are deserts. All deserts are roads. Conclusions: I. Some roads are rivers. II. Some roads are hills. III. Some deserts are hills.
Statements: (I) Some students are intelligent. (II) Ankita is a student. Conclusions: 1. Some students are dull. 2. Ankita is an intelligent.
Statements: (1) All men are employed. (2) No employees are professionals. Conclusions: I. No men are unemployed. II. No men are professionals.
Statements: Anand is an artist. Artists are beautiful. Conclusions:
Statements: I. Some men are good. II. Some men are wise. Conclusions: I. Some wise men are good. II. Some good men are wise.
Statements: All scientists working in America are talented. Some are Indians. Conclusions: I. None of the Indian scientists is talented. II. Some talented Indian scientists have migrated. III. All talented scientists are in America. IV. Some Indian scientists are talented.
Statements: I. Creative persons are learned people. II. Some doctors are creative persons. Conclusions: I. Some creative persons are learned people. II. Some learned people are doctors.
Statements: 1. All aeroplanes are trains. 2. Some trains are chairs. Conclusions: I. Some aeroplanes are chairs. II. Some chairs are aeroplanes. III. Some chairs are trains. IV. Some trains are aeroplanes.
Statements: 1. All teachers are actors. 2. Some actors are women. Conclusions: I. All teachers are women. II. Some women are teachers. III. Some women are actors. IV. All actors are teachers.
Statements: Some shops are rooms. All rooms are kitchens. Conclusions: I. All shops are kitchens. II. Some shops are kitchens. III. Some rooms are shops. IV. All kitchens are shops.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion