Two 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 conclusions logically follow(s) from the statements.
Statements:
Some mobiles are tablets.
All tablets are laptops.
Conclusions:
I. Some laptops are mobiles.
II. Some mobiles are laptops.
III. All mobiles are laptops.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. Only conclusions I and II follow.
The least possible Venn Diagram for the given statements is drawn below:
Conclusions:
I. Some laptops are mobiles → True (As some mobiles are tablets, and all tablets are laptops, so, some laptops are mobiles is also true.)
II. Some mobiles are laptops → True (As some mobiles are tablets, and all tablets are laptops, so, some mobiles are laptops is also true.)
III. All mobiles are laptops → False (It is possible, but no definite conclusion can be drawn.)
Hence, Only conclusions I and II follow.