In a group of 50 students, 20 like only maths and 15 like only science. If the number of students who do not like any of the two subjects is double the number of students who like both subjects, find the number of students who like at most one subject by using Venn-Diagram.

In a group of 50 students, 20 like only math and 15 like only science. If the number of students who do not like any of the two subjects is double the number of students who like both subjects, find the number of students who like at most one subject by using Venn-Diagram.

Out of 400 people, 300 drink only one drink out of tea and coffee, 50 drink non of them. Find the number of people who drink both.

In a survey of 400 people, 300 people drink only one drink out of tea and coffee, 50 people drink non of them. Find the number of people who drink both the drinks.

In a survey of a group of 180  students, 50 students say to like cricket game only, 30 students say to like basketball game only and 50 students say do not like both games.

In a survey of a group of 180  students, 50 students say to like cricket game only, 30 students say to like basketball game only and 50 students say do not like both games.

1. represent the above information in a Venn-diagram.
2. Find the ratio of the students who like cricket game and basketball game.

In a survey 70% liked curd, 60% liked milk, 20% don’t like both curd and milk and 550 liked both curd and milk.

In a survey of people of a community, it was found that 70% liked curd, 60% liked milk, 20% don't like both curd and milk and 550 liked both curd and milk then,

1. Draw a venn-diagram to illustrate above information
2. Find total number of people participated in the survey
3. Find the total number of people who liked curd only.