Why women are not mentioned in the diagram?

Ans: Rectangle represents men, therefore the area outside the rectangle should be WOMEN.

How to find the answer for the this question?

Ans = [Woman & Urban & Government_Employee]

Conditions: Outside the rectangle(women) & Circle(urban) & Square(Govt. employee)

From the given diagram we can find that the value 10 is satisfies the above conditions.

Therefore the answer is 10.