Logical Sequence of Words Questions

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

Ace, King, Queen, ?

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

Laugh, Alter, Melts, Realm, Muesli, ?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
Passenger

From the given alternative words, select the word which cannot be formed using the letters of the given word:
ECCENTRICITY

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

nature, ensure, tense, spent, spurn, ?

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

Qutb­ud­din Aibak, Iltutmish, ?, Ghiyas­ud­din Balban

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

Khilji dynasty, ? , Sayyid dynasty, Lodi dynasty

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

?, flight lieutenant, squadron leader, wing commander