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 telephones are mobiles.
All mobiles are tablets.
Some tablets are laptops.
Conclusions:
I. Some mobiles are laptops.
II. All telephones are tablets.
III. Some telephones are tablets.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Only conclusion III follows.
The least possible Venn Diagram for the given statements is drawn below:

Conclusions:
I. Some mobiles are laptops → False (It is possible, but no definite conclusion can be drawn).
II. All telephones are tablets → False (It is possible, but no definite conclusion can be drawn).
III. Some telephones are tablets → True (As some telephones are mobiles, and all mobile are tablets, and some tablets are laptops, so some telephones are tablets.)