Read the given statements and conclusions carefully Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements
Statements:
Some keys are scales.
All books are papers.
All scales are paper.
Conclusions:
(I) No books are keys
(II) Some papers are keys
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Only conclusion (II) follows.
The least possible Venn Diagram will be:
Conclusion:
(I) No books are keys ⇒ False (It is possible but not definite)
(II) Some papers are keys ⇒ True (As some keys are scales and all books are papers, so the part of keys which are scale will also be papers)