9000065308

SubArea: 
Arithmetic sequences
Level: 
B
Project ID: 
9000065308
Accepted: 
1
Clonable: 
0
Easy: 
1
For the arithmetic sequence with the first term $a_1=3$ holds $a_n=27$ and the sum of the first $n$ terms is $195$. Find $n$.
\(n = 13\)
\(n = 14\)
\(n = 15\)
\(n = 16\)