Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Hydrogen, Helium, Lithium, ?

Select the missing number from the given responses:

Select the missing number from the given options?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

AB,EFG,KLMN,?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

PIG, TMK, XQO, ?, FYW

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

DFI, JNS, TZG, ?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

S_RTR_ST_T_S

Mother of K's father is the sister of G. S is the daughter of G. How is S related to K's father?