Important Questions for Class 11 Maths Chapter 1 Sets
Question 1:
Let A = {x : |x| < 2, x ∈ z} and B = {3x – 4 : 1 ≤ x < 3, x ∈ N}; then write A and B in roster form. Also find A ∪ B and A ∩ B.
Question 2:
Let U = {2, 3, 4, 6, 7, 8, 9}, A = {2, 6, 7} and B = {3, 6, 7} ; then evaluate the following:
(i) A’
(ii) B – A
(iii) A ∩ B
(iv) A × (A ∩ B)
Question 3:
Draw Venn-diagram for A’ ∪ B’.