Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Let
A
=
{
0
,
1
,
2
,
3
}
A = \{0,1,2,3\}
A
=
{
0
,
1
,
2
,
3
}
and
B
=
{
1
,
2
,
3
,
4
}
B = \{1,2,3,4\}
B
=
{
1
,
2
,
3
,
4
}
. How many ordered pairs
(
a
,
b
)
(a,b)
(
a
,
b
)
in
A
×
B
A \times B
A
×
B
satisfy
a
+
b
a + b
a
+
b
is odd? a) 12 b) 6 c) 8 d) 4
Browse the problem library