1. If A, B and C are any three sets, then A – (B ∪ C) is equal to
2. (A’)’ = ?
3. A – B is read as?
4. If A, B and C are any three sets, then A × (B ∪ C) is equal to
5. IF A = [5, 6, 7] and B = [7, 8, 9] then A ∪ B is equal to
6. Which of the following sets are null sets
7. IF R = {(2, 1),(4, 3),(4, 5)}, then range of the function is?
8. The members of the set S = {x | x is the square of an integer and x < 100} is
9. In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subjects?
10. {(A, B) : A² +B² = 1} on the sets has the following relation