All X-brand cars parked here are white. Some of them have radial tyres. All X-brand cars manufactured after 1986 have radial tyres. All cars are not X-brand. Which one of the following conclusions can be drawn from the above statements?

Read the following statements: All Z are Y. Some Y are B. Conclusions: I. Some B are not Z. II. Some Y are not Z. III. Some Z are Y. Select the correct answer.

Statements: No door is dog. All the dogs are cats. Conclusions: (I) No door is cat. (II) No cat is door. (III) Some cats are dogs. (IV) All the cats are dogs. Which conclusion logically follows?

Read the following statements: A few mechanics are not plumbers. All plumbers are qualified. No qualified is skilled. Conclusions: I. No skilled is a plumber. II. No mechanic is skilled. III. Some pl…

Read the following statements: Some pearls are jewels. Some jewels are ornaments. Conclusions: I. Some jewels are pearls. II. Some ornaments are jewels.

Statements: Some horses are not lions. All horses are brown. Conclusions: I. Some lions are brown. II. Some horses being lions is a possibility.