1.

If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D = {15, 17}; find (i) A ∩ B (ii) B ∩ C (iii) A ∩ C ∩ D (iv) A ∩ C (v) B ∩ D (vi) A ∩ (B ∪ C) (vii) A ∩ D (viii) A ∩ (B ∪ D) (ix) (A ∩ B) ∩ (B ∪ C) (x) (A ∪ D) ∩ (B ∪ C)

Answer»

If
A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D =
{15, 17}; find



(i) A
∩
B



(ii) B
∩
C



(iii) A
∩
C
∩
D



(iv)
A
∩
C



(v) B
∩
D



(vi) A
∩
(B
∪
C)



(vii)
A
∩
D



(viii) A
∩
(B
∪
D)



(ix) (A
∩
B)
∩
(B
∪
C)



(x) (A
∪
D)
∩
(B
∪
C)



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