Q64. Let the first three terms $2 , p$ and $q$, with $q \neq 2$, of a G.P. be respectively the $7 ^ { \text {th } } , 8 ^ { \text {th } }$ and $13 ^ { \text {th } }$ terms of an A.P. If the $5 ^ { \text {th } }$ term of the G.P. is the $n ^ { \text {th } }$ term of the A.P., then $n$ is equal to:\\
(1) 163\\
(2) 151\\
(3) 177\\
(4) 169