यदि A={3,5,7,9,11}, B={7,9,11,13}, C={11,13,15}, D={15,17} : तो निम्नलिखित ज्ञात कीजिए:
(i) `A cap B`, (ii) `B cap C`, (iii) `A cap C cap D`, (iv) `A cap C`, (v) `B cap D`, (vi) `A cap (B cap C)`, (vii) `A cap D`, (viii) `A cap (B cap D)`, (ix) `(A cap B) cap (B cup C()`, (x) `(A cup D) cap (B cup C)`