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Subjects
Mathematics State Board
Class 9
Set Language
Set Operations
1.
Multiple choice question I
Exercise condition:
4
m.
1
. If
U = \{x | x \in \mathbb{N}, x < 10\}
and
A = \{x | x \in \mathbb{N}, 2 \le x < 6\}
then
(A')'
is
\{1, 6, 7, 8, 9\}
\{\}
\{2, 3, 4, 5\}
\{1, 2, 3, 4\}
2
. If
B \subseteq A
then
n(A \cap B)
is
n(B - A)
n(B)
n(A)
n(A - B)
3
. If
B – A
is
B
, then
A \cap B
is
A
B
U
\phi
4
. The shaded region in the adjacent diagram represents
(A \cap B)'
(A \cup B)'
A \cap B
A' \cap B'
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