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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