Logic(Reasoning Aptitude ) Questions and answers for exam Preparation

Reasoning Aptitude

LOGIC MCQs

Total Questions : 73 | Page 7 of 8 pages

Question 61.

Statements : I. All men are dogs II. All dogs are cats

Conclusions : I. All men are cats. II. All cats are men

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option A. -> only conclusion I follows

Since both the premises are affirmative, the conclusion must be affirmative. However conclusion being an A type

Question 62.

Statements : I. Some nurses are nuns. II. Madhu is a nun

Conclusions : I. Some nuns are nurses. II. Some nurses are not nuns

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option D. -> neither I nor II follows

Since the middle term is not distributed even once in the premises, so no conclusions follows.

Question 63.

Statements: I. All poles are guns. II. Some boats are not poles.

Conclusions : I. All guns are boats. II. Some boats are not guns

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option D. -> neither I nor II follows

Clearly the term 'guns' is distributed in both the conclusions without being distributed in any of the premises. So no conclusion follows.

Question 64.

Statements : I. Some players are singers II. All singers are tall

Conclusions : I. Some players are tall II. All Players are tall

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option A. -> only conclusion I follows

Since one premise is particular, the conclusion must be particular, So only conclusion I follows

Question 65.

Statements : I. Some books are toys. II. No toy is red

Conclusions : I. Some books are red. II. Some books are not red

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option B. -> only conclusion II follows

Since one premise is negative, the conclusions must be negative. So I cannot follow

Question 66.

Statements : I. Some calendars are sticks. II. No stick is flower

Conclusions : I. Some calendars are flowers. II. No calendar is flower.

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option D. -> neither I nor II follows

Since one premise is particular, the conclusion must be particular, so II cannot follow.
Since one premise is negative, the conclusion must be negative, so I cannot follow.

Question 67.

Statements: I. All dogs are jackals. II. Some jackals are crows.

Conclusions : I. Some dogs are crows. II. All dogs are crows.

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option A. -> only conclusion I follows

Question 68.

Statements : I. All lamps are hooks. II. No hook is coloured.

Conclusions : I. Some lamps are coloured. II. No lamp is coloured.

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option B. -> only conclusion II follows

Since one premise is negative, the conclusion must be negative, So only conclusions II follows

Question 69.

Statements : I. All Coins are crows II. Some crows are pens.

Conclusions : I. No pen is coin. II. Some coins are pens.

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option D. -> neither I nor II follows

Since the middle term crows is not distributed even once in the premises, so no conclusion follows

Question 70.

Statements : I. All windows are needles. II. Some trees are windows.

Conclusions : I . Some trees are needles. II. Some trees are not needles.

only conclusion I follows
only conclusion II follows
either I or II follows
neither I nor II follows
both I and II follow

Discuss Question

Answer: Option A. -> only conclusion I follows

Since one premise is particular, the conclusion must be particular. Also since the term 'needles' is distributed in II, without being distributed in premise, so the conclusion II cannot follow, so only I follows