Statements: Only cars are motorcycles.
No motorcycle is a bike.
Some bikes are scooters.
All scooters are jeeps.
Conclusions: I. Some bikes are cars.
II. No bikes are cars.
III. Some scooters are not motorcycles.
IV. No bike is a motorcycle.
Some cars are motorcycles (I) + No motorcycles is a bike (E) = some cars are not bikes (O). Hence, neither conclusion I nor conclusion II follows. However, conclusion I and II makes a complementary pair, hence either conclusion I or II will follow. No motorcycle is a bike (E) + Some bikes are scooters (I) = Some scooters are not motorcycles (O).Hence, Conclusion III will follow. No motorcycle is a bike (E)`=>` Conversion`=>` No bike a motorcycle (E).Hence, Conclusion IV will follow.