Alphabet Test Questions

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

s_r_t_s_r

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
ZYX, VUT, QPO, MLK, HGF, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
A, E, J, N, S, W, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
LOQ, SVX, ZCE, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
KV, LU, MT, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. CX, EV, GT, IR, ?

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
H__JH__IJHHI__HH__JH

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
MN, PQ, TU, YZ, ?