All professors are researchers Some scientists are professors Which of the given conclusions is logically valid and is inferred from the above arguments:
the answer should be option C.
Answer is (C)Some researchers are scientists.For these type of questions we can always follow the Venn diagram approach.
All professors are Researchers.So,we draw a circle inside researchers and name it professors.Some scientists are professors.So,we draw something like below:-
Clearly we can see some researchers are scientists which is option(C)
Below are some useful Venn diagrams for questions of this type:-