In this question, three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusion(s) logically follows/follow from the statements.
Statements:
All chairs are sofas.
Some chairs are beds.
No sofa is a table.
Conclusions:
I. Some tables are beds.
II. No table is a chair.
III. Some sofas are beds.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Both conclusions II and III follow.
The least possible Venn diagram:
Conclusions:
I. Some tables are beds. - Does not follow (because there is no direct relation between tables and beds. So it can be possible but not definite)
II. No table is a chair. - Follows (because All chairs are sofas and No sofa is a table. So, No table is a chair too)
III. Some sofas are beds. - Follows (because All chairs are sofas and Some chairs are beds. So, Some sofas are beds too)