Two statements are given, followed by two conclusions numbered I and II. 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:
All cardiologists are doctors.
Some cardiologists are neurologists.
Conclusions:
I) Some doctors are cardiologists.
II) Some doctors are neurologists.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Both Conclusion I and II follow.
The least possible Venn Diagram for the given statements is drawn below:

Conclusions:
I. Some doctors are cardiologists → True (As all cardiologists are doctors, so, some doctors are cardiologists is also true.)
II. Some doctors are neurologists → True (As all cardiologists are doctors and some cardiologists are neurologists, so, some doctors are neurologists is also true.)