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 word missing. Choose the correct alternative from the given ones that will complete the series.

yes, rain, alive, subtle, ?

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

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

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

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

IMPRACTICABLE