In an arithmetic progression if 13 is the 3rd term, -Â47 is the 13th term, then Â-17 is which term?

In an arithmetic progression if 13 is the 3rd term, -Â47 is the 13t

1.	In an arithmetic progression if 13 is the 3rd term, -Â47 is the 13th term, then Â-17 is which term?
A.	9
B.	10
C.	7
D.	8
Answer» E.