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Arithmetic Sequences
medium
0:00.0
In an AP,
S
10
=
100
S_{10} = 100
S
10
=
100
and
a
1
=
1
a_1 = 1
a
1
=
1
. What is
d
d
d
?
A
1.5
1.5
1.5
B
2
2
2
C
2.5
2.5
2.5
D
3
3
3
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