Discussion of Question with ID = 037 under Venn-Diagrams

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Question

As per the below diagram, which diagram correctly represents the relationship: Professionals, Doctors, Engineers.

A
(a)
B
(b)
C
(c)
D
(d)
Soln.
Ans: d

Nobody can be both a doctor and an engineer, but all engineers and doctors are professionals. So the outer circle contains two non-intersecting circles.


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