Syllogism / Venn Diagram Analysis
CMAT 2021 · Logical Reasoning · Easy · Logical Reasoning
Observe the given figure and read the statements (I), (II) and (III).
(A diagram showing a 'Teachers' triangle intersecting a 'Doctors' circle, inside of which sits a 'Surgeon' square)
Statements: (I) All teachers are doctors (II) Some doctors are teachers (III) All surgeons are doctors
Which of the following statement(s) is/are correct:
- A.
(I), (II) and (III)
- B.
(I) and (III)
- C.
(I) and (II)
- D.
(II) and (III)
Answer
D
Explanation
From the figure:
- The triangle (Teachers) only partially overlaps the circle (Doctors), so only 'Some doctors are teachers' is true (Statement II).
- The square (Surgeon) lies completely inside the circle (Doctors), so 'All surgeons are doctors' is true (Statement III). Therefore, (II) and (III) are correct.
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