If A × B = {(p, x), (p, y), (q, x), (q, y) }, then A
equals which of the following
{ x, y }
{ p, q }
{ p, q, x, y }
None of the above
If
A = { 1, 2, 3, 4 }
B = { 3, 4, 5 } C
= { 5, 7, 8, 9 }
then A ∩ C
U B equals
{ 3, 5 }
{ 3, 4, 5 }
{ 4, 5 }
None of the above
If
A = { 1, 2, 3, 4 }
B = { 3, 4, 5 } C
= { 5, 7, 8, 9 }
then A U B
∩ C equals
{ 5 }
{ 3, 5}
{ 1, 2, 4, 5 }
None of the above