Paper 1 · Logical Reasoning
Statements: All books are stones. All stones are papers. Choose the conclusion(s) that logically follow.
- I. Some papers are books
- II. Some papers are stones
AOnly conclusion I follows
BOnly conclusion II follows
CBoth conclusions I and II follow ✓ Correct
DNeither conclusion I nor II follows
Correct answer: (C) Both conclusions I and II follow — Both conclusions follow, so that is the answer.
Explanation
★Both conclusions follow, so that is the answer.
★All books are stones and all stones are papers, so all books are papers.
★By conversion, some papers are books, giving conclusion I.
★All stones are papers, so by conversion some papers are stones, giving conclusion II.
★Both particular conclusions come from valid conversions.
★So both conclusions I and II follow.
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