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.
MHZ, NIW, OKT, PNQ, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
NM, PK, SI, ?

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

CD,HI,NO,UV,?

In a certain code language, “MATE” is written as “41” and “LION” is written as “52”. How is “TARM” written in that code language?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then
96 L 8 S 4 V 16 M 9 =?

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

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

730, 1001, 1332, 1729, ?

Pointing towards a lady in a photograph, Ram says, "Her mother is the mother­in­law of my father's brother". How is the lady related to Ram?