Paper 1 · Logical Reasoning
Statements: All branches are flowers. All flowers are trees. Which of the given conclusions follow?
- All branches are trees
- All trees are branches
- All flowers are branches
- Some trees are branches
AOnly 1 and 4 follow ✓ Correct
BOnly 2 and 3 follow
CAll follow
DNone follows
Correct answer: (A) Only 1 and 4 follow — Conclusions 1 and 4 follow, so that is the answer.
Explanation
★Conclusions 1 and 4 follow, so that is the answer.
★All branches are flowers and all flowers are trees, so all branches are trees, giving conclusion 1.
★By conversion of that, some trees are branches, giving conclusion 4.
★Conclusions 2 and 3 are illicit converses of universal affirmatives.
★'All trees are branches' and 'all flowers are branches' do not follow.
★So the answer is only 1 and 4 follow.
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