Direction: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
Some vehicles are cars.
All cars are four-wheelers.
Some four-wheelers are trucks.
Conclusions:
I. Some vehicles are trucks.
II. Some four-wheelers are vehicles.
III. Some trucks are cars.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. Only Conclusion II follows.
The least possible Venn Diagram for the given statements is drawn below:

Conclusions:
I. Some vehicles are trucks → False (It is possible but not definite as there is no definite relation between vehicle and truck).
II. Some four-wheelers are vehicles → True (As some vehicles are cars and all cars are four-wheelers so, some four-wheelers are vehicles).
III. Some trucks are cars → False (It is possible but not definite as there is no definite relation between cars and trucks).
Hence, the correct answer is Only conclusion II follows.