Syllogism

Q: Statements: No Shirts is Pants. No Pants is Shoes. Conclusions: I. No Shirts is Shoes. II. Some Shirts are Shoes.

Correct Answer: Option D (Neither conclusion I nor II follows). From two negative statements, no definitive relation between Shirts and Shoes can be established. Neither follows.

Q: Statements: Some Doctors are not Engineers. All Teachers are Engineers. Conclusions: I. Some Doctors are not Teachers. II. Some Engineers are Teachers.

Correct Answer: Option C (Both conclusions I and II follow). Since all Teachers are Engineers, the Doctors that are not Engineers definitely cannot be Teachers. Hence some Doctors are not Teachers. All Teachers are Engineers implies some Engineers are Teachers. Both follow.

Q: Statements: All Rivers are Lakes. All Rivers are Oceans. Conclusions: I. Some Lakes are Oceans. II. All Lakes are Oceans.

Correct Answer: Option A (Only conclusion I follows). Since all Rivers are both Lakes and Oceans, the intersection of Lakes and Oceans must at least contain Rivers. Hence some Lakes are Oceans. We cannot conclude all Lakes are Oceans. Only I follows.

Q: Statements: Some Cats are Dogs. Some Dogs are Rats. Conclusions: I. All Cats are Rats. II. All Rats are Cats.

Correct Answer: Option D (Neither conclusion I nor II follows). From two particular statements, universal conclusions cannot be drawn. Neither follows.

Q: Statements: All Cars are Buses. No Cars is Trains. Conclusions: I. Some Buses are not Trains. II. Some Trains are not Buses.

Correct Answer: Option A (Only conclusion I follows). Since all Cars are Buses, and no Cars is Trains, the Buses that are Cars cannot be Trains. Hence some Buses are not Trains. We cannot conclude about Trains to Buses. Only I follows.

80 Questions

Practice Syllogism questions with answers and step-by-step solutions. These problems are curated from recent campus placement test papers (TCS, Infosys, Wipro, Cognizant, Accenture) and competitive government exams (SSC CGL, Bank PO, RRB NTPC, UPSC).

Quick Mode: Practice Questions Timed Mock Test

Syllogism: Reference Context & Data Shared for questions below

Directions & CaseletDirections: In each question below are given statements followed by conclusions. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements.

Reasoning Ability: Syllogism (80 Questions)

Q46

Statements:
No Shirts is Pants.
No Pants is Shoes.
Conclusions:
I. No Shirts is Shoes.
II. Some Shirts are Shoes.

medium

Q47

Statements:
Some Doctors are not Engineers.
All Teachers are Engineers.
Conclusions:
I. Some Doctors are not Teachers.
II. Some Engineers are Teachers.

medium

Q48

Statements:
All Rivers are Lakes.
All Rivers are Oceans.
Conclusions:
I. Some Lakes are Oceans.
II. All Lakes are Oceans.

medium

Q49

Statements:
Some Cats are Dogs.
Some Dogs are Rats.
Conclusions:
I. All Cats are Rats.
II. All Rats are Cats.

medium

Q50

Statements:
All Cars are Buses.
No Cars is Trains.
Conclusions:
I. Some Buses are not Trains.
II. Some Trains are not Buses.

medium

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Syllogism

Statements:
No Shirts is Pants.
No Pants is Shoes.
Conclusions:
I. No Shirts is Shoes.
II. Some Shirts are Shoes.

Community Discussion & Shortcut Formulas

Statements:
Some Doctors are not Engineers.
All Teachers are Engineers.
Conclusions:
I. Some Doctors are not Teachers.
II. Some Engineers are Teachers.

Community Discussion & Shortcut Formulas

Statements:
All Rivers are Lakes.
All Rivers are Oceans.
Conclusions:
I. Some Lakes are Oceans.
II. All Lakes are Oceans.

Community Discussion & Shortcut Formulas

Statements:
Some Cats are Dogs.
Some Dogs are Rats.
Conclusions:
I. All Cats are Rats.
II. All Rats are Cats.

Community Discussion & Shortcut Formulas

Statements:
All Cars are Buses.
No Cars is Trains.
Conclusions:
I. Some Buses are not Trains.
II. Some Trains are not Buses.

Community Discussion & Shortcut Formulas