alleryStart learning →No bird is a fish; some fish are big. Which must be true?
ASome big things are birds
BNo big thing is a fish
CAll fish are big things
DSome big things are not birds
Answer & Solution
Correct answer: D. Some big things are not birds
The big fish exist and are not birds, so some big things are not birds.
Keep practising Drawing Inferences and Syllogistic Reasoning
Browse all Drawing Inferences and Syllogistic Reasoning questions for SSC CGL, or explore more Reasoning topics.
Related questions
No stone is soft; all pillows are soft. Which must be true?Some books are pens; all pens are cheap. Which must be true?All teachers are readers; no reader is lazy. Which must be true?All A are B; all B are C; all C are D. Which is definitely true?Either Ravi or Sita won; Ravi did not win. SoIf it is false that no A are B, which cannot be validly inferred?From 'some A are B, some B are C', people wrongly conclude 'some A are C'. This isNo cat is a dog; all dogs are animals. Does 'No cat is an animal' follow?