Logical Sequence of Words Questions

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

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

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

West Indies (CWC 1979), India (CWC 1983), Australia (CWC 1987), ? , Sri Lanka (CWC 1996)

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

Responsibility

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

Nitrogen fixation, Ammonification, Nitrification, ?

If the letters in the word BACKFIELDS are arranged as in the English alphabetical order, then which letter will be to the second right of the letter 'F', after the rearrangement?

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

CONSULTATION