### Case Study Based Questions Class 11 | Mathematics

Case Study Based Questions Class 11 Mathematics Case study questions on set theory, relations and functions, complex numbers, linear inequalities, permutations and combinations, sequence and series, and probability. CASE STUDY-1 CHAPTER -1 SET THEORY In a group of 50 students, the number of students studying French, English and Sanskrit were found to be as follows: French = 17, English = 13, Sanskrit = 15 French and English = 09, English and Sanskrit = 4 French and Sanskrit = 5, English, French and Sanskrit = 3. Find the number of students who study : Q 1) French only a) 2 b) 6 c) 20 d) None of these Q 2) English only a) 9 b) 6 c) 1 d) 3 Q 3) Sanskrit only a) 6 b) 12 c) 9 d) 3 Q 4) English and Sanskrit but not French a) 2 b) 1 c) 3 d) 6 Q 5) French and Sanskrit but not English a) 2 b) 6 c) 8 d) 10 Q 6) French and English but not Sanskrit a) 2 b) 4 c) 6 d) 12 Q 7) At least one of the three languages a) 2 b) 20 c) 36 d) 30 Q 8) None of the three languages a) 30 b) 18 c) 20 d) None of the

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