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JIMPER Logical Reasoning - Logic Study Materials with Answer

Logical Reasoning - Logic

Exam Duration: 45 Mins Total Questions : 30

1 )

Each question given below consists of five or six statements followed by options consisting of three statements put together in a specific order. Choose the option which indicates a valid argument containing logically related statements that is, where the third statement is a conclusion drawn from the preceding two statements.

A: Apples are not sweets

B: Some apples are sweet.

C: All sweets are tasty.

D: Some apple are not tasty.

E: No apple is tasty.

(a)
EAC
(b)
CEA
(c)
BDC
(d)
CBD

2 )

A: Lizards are birds.

B: Some birds are ants.

C: Lizards are ants.

D: Some lizards are ants.

E: Some lizards are not ants.

F: No lizards is ant.

(a)
ACE
(b)
ADB
(c)
BAC
(d)
BFD

3 )

A: An ostrich lays eggs.

B: All birds lay eggs.

C: Some birds can fly.

D: An ostrich cannot fly.

E: An ostrich is a bird.

F: An ostrich cannot swim.

(a)
ABE
(b)
BEA
(c)
DEC
(d)
ECB

4 )

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.
Statements: Conc lusionsAll tubes are handles.All cups a
Conclusions:I. All cups are tubes. II.Some handles are not cups.

(a)
if only conclusion I follows;
(b)
if only conclusion II follows;
(c)
if either conclusion I or II follows;
(d)
if neither conclusion I nor II follows;
(e)
if both conclusions I and II follows.

5 )

A: All software companies employ knowledge workers

B: Infotech employs knowledge workers.

C: Infotech is a software company.

D: Some software companies employ knowledge workers.

E: Infotech employs only knowledge workers.

(a)
ABC
(b)
ACB
(c)
ACE
(d)
CDB

6 )

A: All that is honest is not monetary.

B: Some providential things are xylophones

C: No xylophone is providential

D: All that is honest is monetary

E: No honest thing is providential

F: All honest things are xylophones.

(a)
AEC
(b)
AFC
(c)
BDE
(d)
CFE

7 )

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.
Statements:Some swords are sharp.All swords are rusty.
Conclusions:I. Some rusty things are sharp II. Some rusty things are not sharp

(a)
if only conclusion I follows;
(b)
if only conclusion II follows;
(c)
if either conclusion I or II follows;
(d)
if neither conclusion I nor II follows;
(e)
if both conclusions I and II follows.

8 )

Considered only by themselves all of the following pairs of statements might both be false but could bot both be true expect

I: All P are Q

II: Some P are not Q

III: Some but not all, P are Q

IV: No P is Q

(a)
I and II
(b)
I and III
(c)
I and IV
(d)
II and IV

9 )

Examine the following statements regarding a set of balls:

(a) All balls are black

(b) All balls are white

(d) No balls are black

Assuming that the balls can only be black or white, which of the two statements given above can both be true, but cannot both be false?

(a)
1 and 3
(b)
1 and 4
(c)
2 and 3
(d)
2 and 4

10 )

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.
Statements:All flowers are trees.No fruit is tree.
Conclusions:I.No fruit is flower II. Some trees are flowers.

(a)
if only conclusion I follows;
(b)
if only conclusion II follows;
(c)
if either conclusion I or II follows;
(d)
if neither conclusion I nor II follows;
(e)
if both conclusions I and II follows.

11 )

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.
Statements:No bat is ball. No ball is wicket.
Conclusions:I. No bat is wicket II. All wickets are bats.

(a)
if only conclusion I follows;
(b)
if only conclusion II follows;
(c)
if either conclusion I or II follows;
(d)
if neither conclusion I nor II follows;
(e)
if both conclusions I and II follows.

12 )

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.
Statements: Most teachers are boys.Some boys are students.
Conclusions:I.Some students are boys II. Some teachers are students.

(a)
if only conclusion I follows;
(b)
if only conclusion II follows;
(c)
if either conclusion I or II follows;
(d)
if neither conclusion I nor II follows;
(e)
if both conclusions I and II follows.

13 )

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.
Statements:Some men are educated.Educated persons prefer small families.
Conclusions:I. All small families are educated II. Some men prefer small families.

(a)
if only conclusion I follows;
(b)
if only conclusion II follows;
(c)
if either conclusion I or II follows;
(d)
if neither conclusion I nor II follows;
(e)
if both conclusions I and II follows.

14 )

You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the two given statements,disregarding commonly known facts.
Statements:All branches are flowers.All flowers are leaves.
Conclusions: I.All branches are leaves II. All leaves are branches.
III.All flowers are branches IV.Some leaves are branches.

(a)
None follows
(b)
Only I and IV follow
(c)
Only II and III follow
(d)
All follow

15 )

You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the two given statements,disregarding commonly known facts.
Statements:All terrorists are guilty.All terrorists are criminals
Conclusions: I. Either all criminals are guilty or all guilty are criminals. II.Some guilty persons are criminals
III. Genrerally criminals are guilty IV. Crime and guilt go together

(a)
Only I follows
(b)
Only I and III follow
(c)
Only II follows
(d)
Only II and IV follow

16 )

You have to take the given statements to be true even if they seen if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements : Some taxis have horns.Some taxis have lights.
Conclusions: I.Every taxi has either horn or light. II.Some taxis have neither light nor horn.
III.Some taxis have horns as well as lights. IV.No taxi has horn as well as light.

(a)
Only I and II follow
(b)
Only II and III follow
(c)
Only II and IV follow
(d)
Either III or IV follows
(e)
All follow

17 )

You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements: Some boxes are hammers. Some hammers are beads. All beads are rings.
Conclusions: I. Some rings are hammers. II. Some hammers are boxes. III. Some rings are boxes

(a)
None follows
(b)
Only I follows
(c)
Only I and III follow
(d)
Only II and III follow
(e)
All follow

18 )

You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements: Some pictures are frames. Some frames are idols. All idols are curtains.
Conclusions: I. Some curtains are pictures. II. Some curtains are frames. III. Some idols are frames.

(a)
Only I and II follow
(b)
Only II and III follow
(c)
Only I and III follow
(d)
All follow
(e)
None of these

19 )

Each of these questions consists of two statements P and Q.They may look factually absurd.You have to ignore this absurdity and concentrate only upon the logic involved there in.
P:Some mangoes are apples.All grapes are mangoes.Therefore all apples are grapes.
Q:Some mangoes are apples.All apples are grapes.therefore some mangoes are grapes.

(a)
if both P and Q are true
(b)
if both P and Q are false or doubtful
(c)
if P is true and Q is false or doubtful
(d)
if P is false or doubtful and Q is true

20 )

In each of these questions,two statements P and Q are given.You may look into their logical acceptability and mark your answer as

P:All A's are B's.Some B's are A's.Some C's are B's.Therefore some C's are A's.

Q:All B's are A's.Some B's are C's.Therefore all A's are C's.

(a)
if both P and Q are true
(b)
if P is correct and Q is wrong or doubtful
(c)
if P is wrong or doubtful and Q is correct
(d)
if both P and Q are wrong or doubtful

21 )

(a)
A only
(b)
B and C
(c)
C only
(d)
C and D

22 )

Each question given below has a set of three or four statements.Each set of statements is further divided into three segments.Choose the alternative where the third segment in the statement can be logically deduced using both the preceding two, but not just from one of them.A: All good people are knights.All warriors are good people. All knights are warriors.
A: All good people are knights.All warriors are good people. All knights are warriors.
B: No footballers are ministers.All footballers are tough.Some ministers are players.
C: All pizzas are snacks.Some meals are pizzas.Some meals are snacks.
D:Some barkers are musk deer. All barkers are sloth bears.Some sloth bears are musk deer.

(a)
A only
(b)
B and C
(c)
C only
(d)
C and D

23 )

Each question given below has a set of three or four statements.Each set of statements is further divided into three segments.Choose the alternative where the third segment in the statement can be logically deduced using both the preceding two, but not just from one of them.A: Ravens are black.Ravens are evil.All evil are black.
A: Ravens are black.Ravens are evil.All evil are black.
B: Horses are faster than eagles. All eagles are hawks.Horses are faster than hawks.
C:No priest is a siant. Peter is a priest.Peter is a saint.

(a)
A only
(b)
B only
(c)
C only
(d)
None of these

24 )

You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read both the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements: All men are parrots. Some parrots are crows. All crows are hens.
Conclusions: I. Some men are hens. II. No man is hen.

(a)
if only conclusion I follows;
(b)
if only conclusion II follows;
(c)
if either conclusion I or II follows;
(d)
if either conclusion I nor II follows;
(e)
if both the conclusions I and II follow;

25 )

You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read both the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements: Some papers are dogs. Some dogs are windows. All windows are trees.
Conclusions:I. Some windows are papers. II. Some papers are trees.

(a)
if only conclusion I follows;
(b)
if only conclusion II follows;
(c)
if either conclusion I or II follows;
(d)
if either conclusion I nor II follows;
(e)
if both the conclusions I and II follow;

26 )

You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements: All pencil are birds. All birds are skies. All skies are hills
Conclusions: I. All pencils are hills. II. All hills are birds III. All skies are pencils IV. All birds are hills.

(a)
only I and II follow
(b)
Only I and III follow
(c)
Only III and IV follow
(d)
All follow
(e)
None of these

27 )

Each question given below has a set of three or four statements.Each set of statements is further divided into three segments.Choose the alternative where the third segment in the statement can be logically deduced using both the preceding two, but not just from one of them.A: Many poets are not readers.All Singers are poets.Some singers are not readers.
A: Many poets are not readers.All Singers are poets.Some singers are not readers.
B: Boys play cricket.Some girls do not play cricket.Some girls are not boys.
C: All Eskimos live in igloos.Some penguins live in igloos.Some penguins are Eskimos.

(a)
A only
(b)
B only
(c)
C only
(d)
B and C

28 )

You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements: No table is fruit. No fruit is window. All window are chairs.
Conclusions: I. No window is table. II. No chair is fruit III. No chair is table. IV. All chairs are windows.

(a)
None follows
(b)
Only I and II follow
(c)
Only III and IV follow
(d)
All follow
(e)
None of these

29 )

You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements: All cups are glasses. Some glasses are bowls. No bowl is a plate.
Conclusions: I. No cup is a plate. II. No glass is a plate. III. Some plates are bowls. IV. Some cups are no glasses.

(a)
None follows
(b)
Only either I or III follows
(c)
Only II and III follow
(d)
Only III and IV follow
(e)
None of these

30 )

You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements: Some dogs are rats. All rats are trees. Some trees are not dogs.
Conclusions: I. Some trees are dogs. II. All dogs are trees. III. All rates are dogs. IV. No tree is dog.