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BECE Mathematics 2015 Paper
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© africaexams.com
Question : 3
Total: 40
If
M
=
{
Multiples of 4 between 10 and 25
}
and
N
=
{
even numbers between 11 and 23
}
, find
M
∪
N
.
{
12
,
16
,
20
}
{
14
,
18
,
22
}
{
12
,
14
,
16
,
18
,
22
}
{
12
,
14
,
16
,
18
,
20
,
22
,
24
}
Validate
Solution:
M
=
{
Multiples of
4
between
10
and
25
}
M
=
{
12
,
16
,
20
,
24
}
N
=
{
even numbers between
11
and
23
}
N
=
{
12
,
14
,
16
,
18
,
20
,
22
}
Union (u) is the list of each of the elements once in both sets.
M
∪
N
=
{
12
,
14
,
16
,
18
,
20
,
22
,
24
}
© africaexams.com
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