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Divisibility
medium
0:00.0
Which of the following numbers satisfy
n
2
≡
0
(
m
o
d
4
)
n^2 \equiv 0 \pmod{4}
n
2
≡
0
(
mod
4
)
?
A
2
2
2
B
4
4
4
C
6
6
6
D
8
8
8
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