Question

In the following diagram, the triangle stands for 'males', the circle stands for 'doctors', the rectangle stands
for 'government employed', the hexagon stands for 'corona warriors'. The numbers in different segments
show the number of persons for that segment.​

Answer 1

Given :- In the following diagram, the triangle stands for 'males', the circle stands for 'doctors', the rectangle stands

for 'government employed', the hexagon stands for 'corona warriors'. The numbers in different segments show the number of persons for that segment.

To Find :- How many government employed doctors are either corona warriors or males or both ?

Answer :-

from image we have,

• Triangle stands for = Males .
• Circle stands for = Doctors .
• Rectangle stands for = Government employed .
• Hexagon stands for = Corona warriors .

so,

→ The government employed doctors who are corona warriors are = Common between Circle , Rectangle and Hexagon only = 16 .

and,

→ The number of government employed doctors who are males = Common between Triangle , Rectangle and Circle only = 35 .

also,

→ The number of government employed doctors who are both corona warriors and males = Common between Rectangle, circle , Triangle and Hexagon = 22 { common in all. }

then,

→ Government employed doctors who are either corona warriors or males or both are = 16 + 35 + 22 = 73 (Ans.)

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