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Mathematics
Mathematics
Problem
In an AP whose first term is
3
3
3
and common difference is
2
2
2
, the average of the first
n
n
n
terms is
16
16
16
. The value of
n
n
n
is a)
13
13
13
b)
15
15
15
c)
14
14
14
d)
12
12
12
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