Logical Venn Diagram Questions

The following questions are based on the information given below

In a school of 4000 students 3000 know English, 2000 know French and 5000 know Hindi, 1500 know French and English, 300 know French and Hindi, 200 know English and Hindi and 50 know all the three languages.

How many know atleast one language?

Which of the following diagrams represent the relationship between Male, Husband and Model.

Which of the answer figures best indicates the relationship between:

Doctors, Nurses, Hospital

In the following Venn diagram which region represents the coach who is also a player but not a girl?

Identify the diagram that best represents the relationship among the given classes.

Science, Physics, Chemistry

Identify the diagram that best represents the relationship among the given classes.

Earth, Crust, Mantle, Core

Identify the diagram that best represents the relationship among the given classes.

Electrons, Nucleus, Neutrons

Identify the diagram that best represents the relationship among the given classes.

Girl, Singer, Politician