Set Theory
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Q. In a class of 50 students, 20 study English, 25 study Hindi, and 10 study both. How many students study only Hindi?
Q. In a class of 50 students, 20 study English, 25 study History, and 10 study both. How many students study only History?
Q. In a class of 50 students, 30 study English, 25 study Mathematics, and 10 study both. How many study only Mathematics?
Q. In a class, 12 students play cricket, 10 play football, and 5 play both. How many students play only cricket?
Q. In a class, 12 students play cricket, 15 play football, and 5 play both. How many students play either cricket or football?
Q. In a class, 25 students play cricket, 20 play football, and 5 play neither. How many students play at least one sport?
Q. In a class, 25 students study English, 20 study Hindi, and 5 study both. What is the number of students studying only Hindi?
Q. In a group of 50 people, 30 like chocolate, 20 like vanilla, and 10 like both. How many like only vanilla?
Q. In a library, 50 books are fiction, 30 are non-fiction, and 10 are both. How many books are only fiction?
Q. In a survey of 100 people, 60 like chocolate, 50 like vanilla, and 20 like both. How many like only vanilla?
Q. In a survey of 100 people, 60 like chocolate, 50 like vanilla, and 20 like both. How many like only chocolate?
Q. In a survey of 100 students, 60 like Mathematics, 50 like Science, and 30 like both subjects. How many students like only Mathematics?
Q. In a survey of 50 people, 30 like chocolate, 20 like vanilla, and 10 like both. How many people like only chocolate?
Q. In a survey, 40 people like tea, 30 like coffee, and 10 like both. How many people like only tea?
Q. In a survey, 40 people like tea, 30 like coffee, and 10 like both. How many people like either tea or coffee?
Q. In a survey, 50 people like apples, 40 like bananas, and 20 like both. How many people like only bananas?
Q. In a survey, 50 people were asked about their favorite fruit. 30 like apples, 20 like bananas, and 5 like both. How many like only bananas?
Q. In a survey, 50 people were asked about their favorite fruit. 30 like apples, 20 like bananas, and 5 like both. How many like only apples? (2023)
Q. In a survey, 60% of people like tea, 50% like coffee, and 20% like both. What percentage of people like either tea or coffee?
Q. In a survey, 80% of people like tea, 60% like coffee, and 30% like both. What percentage of people like only tea?
