Three statements are followed by conclusions numbered I, II. You have to consider these statements to be true, even if they seem to be at variance with commonly known facts. Decide which of the given conclusions logically follow/s from the given statement.
Statements:
All houses are trees.
All trees are stones.
All stones are rocks.
Conclusion (I): Some stones are trees.
Conclusion (II): All houses are rocks.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Both conclusions (I) and (II) follow.
The least possible venn diagram is:
Conclusion (I): Some stones are trees: Follows (As, all trees are stones so, some stones are definitely trees.)
Conclusion (II): All houses are rocks: Follows (As, All houses are trees, All trees are stones and All stones are rocks so, All houses are rocks definitely.)