Study the given diagram carefully and answer the question that follows. The numbers in different sections indicate the number of persons who have applied for different posts.

What is the total number of persons who applied for more than one post?

Option
a) 21
b) 15
c) 113
d) 18

Solution

Persons applying for more than one position will be in two or three diagram
teacher + Engineer – 4
Teacher + Accountant – 6
Accountant + Engineer – 8
Teacher + Accountant + Engineer – 3
= 4 + 6+ 8+ 3
Total number = 21

Correct Answer : a) 21