Q8. In a committee, 50 people speak French, 20 speak Spanish and 10 speak both Spanish and French. How many speak at least one of these two languages?
Q7. In a group of 65 people, 40 like cricket, 10 like both cricket and tennis. How many like tennis only and not cricket? How many like tennis?
Q6. In a group of 70 people, 37 like coffee, 52 like tea and each person likes at least one of the two drinks. How many people like both coffee and tea?
Q5. If X and Y are two sets such that X has 40 elements, X Y has 60 elements and X Y has 10 elements, how many elements does Y have?
Q4. If S and T are two sets such that S has 21 elements, T has 32 elements, and S T has 11 elements, how many elements does S T have?
Q3. In a group of 400 people, 250 can speak Hindi and 200 can speak English. How many people can speak both Hindi and English?
Q2. If X and Y are two sets such that X Y has 18 elements, X has 8 elements and Y has 15 elements ; how many elements does X Y have?
Q1. If X and Y are two sets such that n ( X ) = 17, n ( Y ) = 23 and n ( X Y ) = 38, find n ( X Y ).