Logical Reasoning - Logical Deduction

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Overview

Exercise

"Nothing in life is to be feared, it is only to be understood."

- Marie Curie

Directions to Solve

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. Read the conclusion and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.

Give answer:

(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.

16.

Statements: All good athletes win. All good athletes eat well.

Conclusions:

All those who eat well are good athletes.
All those who win eat well.

A.	Only conclusion I follows
B.	Only conclusion II follows
C.	Either I or II follows
D.	Neither I nor II follows
E.	Both I and II follow

17.

Statements: All film stars are playback singers. All film directors are film stars.

Conclusions:

All film directors are playback singers.
Some film stars are film directors.

A.	Only conclusion I follows
B.	Only conclusion II follows
C.	Either I or II follows
D.	Neither I nor II follows
E.	Both I and II follow

18.

Statements: All hill stations have a sun-set point. X is a hill station.

Conclusions:

X has a sun-set point.
Places other than hill stations do not have sun-set points.

A.	Only conclusion I follows
B.	Only conclusion II follows
C.	Either I or II follows
D.	Neither I nor II follows
E.	Both I and II follow

19.

Statements: Some dreams are nights. Some nights are days.

Conclusions:

All days are either nights or dreams.
Some days are nights.

A.	Only conclusion I follows
B.	Only conclusion II follows
C.	Either I or II follows
D.	Neither I nor II follows
E.	Both I and II follow

20.

Statements: All jungles are tigers. Some tigers are horses.

Conclusions:

Some horses are jungles.
No horse is jungle.

A.	Only conclusion I follows
B.	Only conclusion II follows
C.	Either I or II follows
D.	Neither I nor II follows
E.	Both I and II follow