Choose the correct options for the following questions.
If A is a proper subset of B then we write
Difficulty: Easy
A:
$B\subseteq A$
B:
$A\subset B$
C:
$A\subseteq B$
D:
$B\subset A$
A=${x\x \:\epsilon\:Z and 9 < 4x \leq 33}$ then A=
Difficulty: Easy
A:
{1,2,3,....22}
B:
{10,11,12,...33}
C:
{4,8,16,32}
D:
{3,4,5,6,7,8}
If k is the number of elements of a set A, the number of elements of P(A) is
Difficulty: Easy
A:
$k^{2}$
B:
2k
C:
$2^{k}$
D:
$(k+2}^{2}$
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