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Scholastic Aptitude Test (SAT)
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Q)
Let N be the set of natural numbers and P be the set of prime integers in N.If
A
=
{
n
/
n
∈
N
,
n
is a multiple of some prime
P
∈
P
,then
N
−
A
=
{
n
∈
N
/
n
∈
A
}
is
empty set
of cardinality 2
a finite set of cardinality greater than 2
a singlet on set
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