Logical Venn Diagram Questions

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

Human, Men, Brothers

Consider the following information and answer the questions based on it.

Out of the 75 birders, 15 wanted to see only sunbird, 10 wanted to see only flycatcher, 12 wanted to see both sunbird and nuthatch, 15 wanted to see only bee-eater, 13 wanted to see both sunbird and bee-eater, 5 wanted to see both flycatcher and nuthatch and the remaining wanted to see only nuthatch.

The difference between the birders who want to see sunbird and those who want to see flycatcher is

Consider the following information and answer the questions based on it

Out of 50 kids in a colony, 10 like only basketball, 25 like only football, 10 like both volleyball and football and 5 like only volleyball.

How many kids do not like volleyball?

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

Graduates, Doctors, Professors

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 only two languages?

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

Animals, Lion, Tiger

The following questions are based on the information given below:

An advertising agency finds that, of its 170 clients, 115 read Indian Express, 110 read The Hindu and 130 read Times of India. Also 85 read Indian Express and Times of India, 75 read Indian Express and The Hindu, 95 read The Hindu and Times of India and 70 read all the three.

How many read only Indian Express?

Consider the following information and answer the questions based on it

Out of 50 kids in a colony, 10 like only basketball, 25 like only football, 10 like both volleyball and football and 5 like only volleyball.

The ratio of kids who like football to those who like only basketball is