Reasoning - Syllogism

Directions (Q. 1-6): In each question below are given two/three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with 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.
Give answer
1) if only conclusion I follows.
2) if only conclusion II follows.
3) if either conclusion I or conclusion II follows.
4) if neither conclusion I nor conclusion II follows.
5) if both conclusion I and conclusion II follow.

1. Statements: All rings are circles.
All squares are rings.
No ellipse is a circle.
Conclusions: I. Some rings being ellipses is a
possibility.
II. At least some circles are squares.

2. Statements: No house is an apartment.
Some bungalows are apartments.
Conclusions: I. No house is a bungalow.
II. All bungalows are houses.

3. Statements: Some gases are liquids.
All liquids are water.
Conclusions: I. All gases being water is a possibility.
II. All such gases which are not water can
never be liquids.

4. Statements: All minutes are seconds.
All seconds are hours.
No second is a day.
Conclusions: I. No day is an hour.
II. At least some hours are minutes.

(5-6): Statements: Some teachers are professors.
Some lecturers are teachers.

5. Conclusions: I. All teachers as well as professors being
lecturers is a possibility.
II. All those teachers who are lecturers are
also professors.

6. Conclusions: I. No professor is a lecturer.
II. All lecturers being professors is a
possibility.

Answers:- 
1.- 2
2.- 4
3,- 1,
4.- 2
5.- 1
6.- 2

Directions (Q. 1-6): In each question below are given two/three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with 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.
Give answer
1) if only conclusion I follows.
2) if only conclusion II follows.
3) if either conclusion I or conclusion II follows.
4) if neither conclusion I nor conclusion II follows.
5) if both conclusion I and conclusion II follow.

1. Statements: All rings are circles.
All squares are rings.
No ellipse is a circle.
Conclusions: I. Some rings being ellipses is a
possibility.
II. At least some circles are squares.

2. Statements: No house is an apartment.
Some bungalows are apartments.
Conclusions: I. No house is a bungalow.
II. All bungalows are houses.

3. Statements: Some gases are liquids.
All liquids are water.
Conclusions: I. All gases being water is a possibility.
II. All such gases which are not water can
never be liquids.

4. Statements: All minutes are seconds.
All seconds are hours.
No second is a day.
Conclusions: I. No day is an hour.
II. At least some hours are minutes.

(5-6): Statements: Some teachers are professors.
Some lecturers are teachers.

5. Conclusions: I. All teachers as well as professors being
lecturers is a possibility.
II. All those teachers who are lecturers are
also professors.

6. Conclusions: I. No professor is a lecturer.
II. All lecturers being professors is a
possibility.

Answers:- 
1.- 2
2.- 4
3,- 1,
4.- 2
5.- 1
6.- 2

3 comments:

  1. please expln 4th

    ReplyDelete
  2. if explanation is provided for the content in this site then this will be one of the better site for competitive exams.

    ReplyDelete
  3. 1st answer is wrong. Rings can never be eclipse. Please check.

    ReplyDelete