Logical Reasoning Questions and Answers for Placement Papers - 1
Question: 1
In each question below are given two statements followed by two conclusions numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts.
Statements :
Some phones are watches.
II. All watches are guns.
Conclusions :
I. All guns are watches.
II. Some guns are phones.
(A) If only conclusion I follows
(B) If only conclusion II follows
(C) If either I or II follows
(D) If neither I nor II follows and
(E) If both I and II follow
Ans: B
Since one premise is particular, the conclusion must be particular. So, only conclusion II follows.
Question: 2
Statements :
All plants are trees.
II. No tree is green.
Conclusions :
I. Some plants are green.
II. Those plants which are not trees are green.
(A) If only conclusion I follows
(B) If only conclusion II follows
(C) If either I or II follows
(D) If neither I nor II follows and
(E) If both I and II follow
Ans: D
Since one premise is negative, the conclusion must be negative. So, neither conclusion follows.
Question: 3
Statements :
Some parrots are crows.
II. No crow is green.
Conclusions :
I. No parrot is green.
II. No crow is white.
(A) If only conclusion I follows
(B) If only conclusion II follows
(C) If either I or II follows
(D) If neither I nor II follows and
(E) If both I and II follow
Ans: D
Since one premise is particular, the conclusion must be particular. So, neither I nor II follows.
Question: 4
Statements :
I. Many books are rocks.
II. All rocks are clips.
Conclusions :
I. Some books are clips.
II. No rock is a book.
(A) If only conclusion I follows
(B) If only conclusion II follows
(C) If either I or II follows
(D) If neither I nor II follows and
(E) If both I and II follow
Ans: A
Since the first premise is particular, the conclusion must be particular. So, only conclusion I follows.
Question: 5
Statements :
Some calendars are sticks.
II. No stick is flower.
Conclusions :
I. Some calendars are flowers.
II. No calendar is flower.
(A) If only conclusion I follows
(B) If only conclusion II follows
(C) If either I or II follows
(D) If neither I nor II follows and
(E) If both I and II follow
Ans: D
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.
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