Level:
Project ID:
1003107204
Accepted:
1
Clonable:
0
Easy:
0
Positive numbers which when divided by $3$ leave a remainder of $2$ are terms of an increasing arithmetic sequence. The sum of the first $15$ terms is $480$. Find the $3$rd term of this sequence.
$17$
$11$
$20$
$5$
$23$