In the questions below some statements are given and these statements are followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.

Syllogism Aptitude Question 1:

Statements: 

All chairs are tables.

No cat is table.

Some tables are desks.

All benches are desks.

Conclusions:

I. Some chairs are cats.

II. Some benches are tables.

III. All desks are tables.

IV. Some desks are cats.

A. Only I follows

B. Only II follows

C. Only III follows

D. Only IV follows

E. None follows

Venn Diagram Representation of the statements:

Syllogisms SE4 Question 1 Venn DiagramClearly, none of the conclusions follow. So, E is the correct option.

Syllogism Aptitude Question 2:

Statements: 

All oranges are apples.

No apple is cherry.

All cherries are mangoes.

All mangoes are bananas.

Conclusions:

I. No orange is cherry.

II. All cherries are bananas.

III. No apple is banana.

IV. Some apples are mangoes.

A. Only I follows

B. Only II follows

C. Only III follows

D. Only IV follows

E. Only I and II follow

Venn diagram representation of the statements:

Syllogisms SE4 Question 2 Venn Diagram

Conclusions:

I. No orange is cherry.

This conclusion follows.

II. All cherries are bananas.

This conclusion follows as well.

III. No apple is banana.

This is a probable conclusion. So, it does not follow.

IV. Some apples are mangoes.

Again, this is a probable conclusion. So, it does not follow as well.

Therefore, conclusions I and II follow. So, E is the correct option.

Syllogism Aptitude Question 3:

Statements: 

All waters are juices.

Some juices are jugs.

All jugs are mugs.

Conclusions:

I. Some mugs are juices.

II. Some mugs are waters.

A. Only I follows

B. Only II follows

C. Both I and II follow

D. Neither I nor II follows

E. Either I or II follows

Venn diagram representation of the statements:

Syllogisms SE4 Question 3 Venn Diagram

Only conclusion I follows. So, A is the correct option.

Syllogism Aptitude Question 4:

Statements: 

Some flowers are roses.

All roses are leaves.

Conclusions:

I. All flowers are leaves.

II. All leaves are roses.

A. Only I follows

B. Only II follows

C. Both I and II follow

D. Neither I nor II follows

E. Either I or II follows

Venn diagram representation of the statements:Syllogisms SE4 Question 4 Venn Diagram

None of the conclusions follow. So, D is the correct option.

Syllogism Example 5:

Statements: 

No car is a train.

All buses are vehicles.

No train is a bus.

Conclusions:

I. All trains are vehicles.

II. Some vehicles are trains.

III. No train is a vehicle.

A. Only I follows

B. Only II follows

C. None follows

D. Only III follows

E. Either II or III follows

Venn diagram representation of the statements:

Syllogisms SE4 Question 5 Venn Diagram

Conclusions:

I. All trains are vehicles.

This is a probable conclusion. So, it does not follow.

II. Some vehicles are trains.

Again, this is a probable conclusion. So, it does not follow.

III. No train is a vehicle.

This is a probable conclusion but it complements conclusion II. So, either conclusion II or III follows.

Therefore, E is the correct option.

Syllogism Example 6:

Statements: 

No phone is a radio.

All calculators are phones.

All computers are calculators.

Conclusions:

I. At least some phones are calculators.

II. All radios are computers.

A. Only I follows

B. Only II follows

C. Both I and II follow

D. Neither I nor II follows

E. Either I or II follows

Venn diagram representation of the statements:

Syllogisms SE4 Question 6 Venn DiagramOnly conclusion I follows. So, A is the correct option.

Syllogism Example 7:

Statements: 

All tigers are cats.

Some cats are lions.

All lions are animals.

Some animals are elephants.

Conclusions:

I. Some tigers are elephants.

II. Some cats are animals.

A. Only I follows

B. Only II follows

C. Both I and II follow

D. Neither I nor II follows

E. Either I or II follows

Venn diagram representation of the statements:

Syllogisms SE4 Question 7 Venn Diagram

Only conclusion II follows. So, B is the correct option.

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