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.

CD, ? , MN, UV, EF

In a certain code, 134 is AGE and 92706 is INERT. What is 016923?

Introducing a girl, Pooja says, "Her mother's son is the nephew of my father". How is the girl related to Pooja?

In the following question, select the related letters from the given alternatives.
JPSW : LQUX : : MRFT : ?

Choose the related word/letters/number from the given alternatives.
NPR : GHI : : TVX : ?

If 8 θ 12 δ 6 = 60 and 13 θ 15 δ 11 = 74, then 18 θ 21 δ 15 = ?

From the given words, select the word which cannot be formed using the letters of the given word.
MYSTIQUE

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
25 + 10 ÷ 240 x 16 = ?