Logical Sequence of Words Questions

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

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

? , James Garfield, William McKinley, John F. Kennedy

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

yes, rain, alive, subtle, ?

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Expenditure

The number of symbols that are preceeded by a letter and not followed by a number in the following expression is ___.

A$1%MB#6&NC=3!OD+KP

From the given alternative words, select the word which cannot be formed using the letter of the given word.

IMPRACTICABLE

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

Ace, King, Queen, ?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Exacts
2. Exotic
3. Exactly
4. Exacerbate
5. Exhaust