Syllogism ( CPO 2023 Tier – 1 )

Total Questions: 17

1. Statements : [SSC CPO 03/10/2023 (1st Shift)]

All plants are vegetables.

Some plants are poisonous.

Conclusions:

I. All vegetables are poisonous.

II. Some vegetables are plants.

Correct Answer: (b) Only conclusion II follows
Solution:From Ven-Diagram,

Hence,

Only conclusion II follows.

2. Statements : [SSC CPO 03/10/2023 (1st Shift)]

All flowers are trees.

All leaves are flowers.

Conclusion:

I) All trees are flowers.

II) All leaves are trees.

Correct Answer: (c) Only Conclusion II follows.
Solution:From Ven-Diagram,

Hence,

Only conclusion-II follows.

3. Statements : [SSC CPO 03/10/2023 (2nd Shift)]

Some cakes are biscuits.

Some biscuits are chocolates

Conclusions:

I. Some biscuits are cakes.

II. Some cakes are chocolates.

Correct Answer: (d) Only conclusion I follows
Solution:

From the above diagram, only conclusion (I) follows, i.e., some biscuits are cakes.

4. Statements : [SSC CPO 03/10/2023 (2nd Shift)]

All valleys are mountains.

No sea is a mountain.

Some plains are seas.

Conclusions:

I. Some valleys are plains.

II. No plain is a mountain.

III. No sea is a valley.

Correct Answer: (a) Only conclusion III follows.
Solution:From Ven-Diagram,

Hence,

Only conclusion III follows.

5. Statements : [SSC CPO 03/10/2023 (3rd Shift)]

I. No dean is a teacher.

II. All teachers are professors.

III. No professor is a lecturer.

Conclusions:

1. Some deans are lecturers.

II. Some teachers are lecturers.

Correct Answer: (b) Neither conclusion I nor II follows
Solution:From Ven-Diagram,

Hence,

Neither conclusion I nor II follows.

6. Statements : [SSC CPO 03/10/2023 (3rd Shift)]

All cupboards are shelves.

All shelves are drawers.

Conclusions:

I. All cupboards are drawers.

II. All drawers are shelves.

Correct Answer: (d) Only conclusion I follows
Solution:From Ven-Diagram,

7. Statements : [SSC CPO 03/10/2023 (3rd Shift)]

All dogs are cats.

Some cats are not dolls.

Conclusions:

I. All dolls are cats.

II. Some cats are dogs.

Correct Answer: (b) Only conclusion II follows
Solution:From Ven-Diagram,

8. Statements : [SSC CPO 04/10/2023 (1st Shift)]

Some rats are mats.

All mats are ants.

Conclusions:

I. Some rats are ants.

II. Some ants are mats.

Correct Answer: (a) Both the conclusions follow
Solution:From Ven-Diagram,

Hence,

Only conclusion I follows.

9. Statements : [SSC CPO 04/10/2023 (2nd Shift)]

Some apples are oranges.

All oranges are fruits.

Conclusions:

I) All apples are fruits.

II) Some fruits are oranges.

Correct Answer: (b) Only Conclusion II follows.
Solution:From Ven-Diagram,

10. Statements : [SSC CPO 04/10/2023 (2nd Shift)]

Some rivers are oceans.

All oceans are beaches.

Conclusions:

I. Some rivers are beaches.

II. All oceans are rivers.

Correct Answer: (d) Only conclusion I follows
Solution:From Ven-Diagram,