1st term is decrement by $3; Z,W, T,Q, N$
- $Z-3=W$
- $W-3=T$
- $T-3=Q$
- $Q-3=N$
2nd term is also decremented by $2; 15,13,11,9,7$
- $15-2=13$
- $13-2=11$
- $11-2=9$
- $9-2=7$
The last term is increment by $+2;A, C, E, G, I.$
- $A+2=C$
- $C+2=E$
- $E+2=G$
- $G+2=I$
So the missing term is $T 11 E$
Option (C) is correct.