Question

4) If A={q, b, c, d, e), B = { c, d, e, f), C= {b, d), D = {2, e} then which of the following
statements are true and which are false ?
(1) CÍB
(2)AÍD
(3) DÍB (4)
DÍA​

Answer 1

3 and 1 are false and 2,4 are true