The Gateway to Computer Science Excellence
+3 votes

All professors are researchers Some scientists are professors Which of the given conclusions is logically valid and is inferred from the above arguments:

  1. All scientists are researchers
  2. All professors are scientists
  3. Some researchers are scientists
  4. No conclusion follows
in Verbal Ability by Boss (41.9k points)
edited by | 535 views

the answer should be option C.

2 Answers

+6 votes
Best answer

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:-

by Active (4k points)
selected by
excellent explanation easy and simple
Good answer.
+3 votes
Answer C:  If some scientists are professors and all professors are researchers, then that means that some scientists are researchers.
by Veteran (52.2k points)
nice explanation.

Related questions

Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true
50,737 questions
57,370 answers
105,275 users