Choose the word which is closest to the opposite in meaning of the given italicised word.

The leader might have had some $$covert$$ reason for the change of his political affiliations.

In the following question, out of the four alternatives, choose the one which can be substituted for the given word/sentence.

Regard for other as a principle of action or selflessly.

In the following question, out of the four alternatives, choose the one which can be substituted for the given word/sentence.

Code of diplomatic etiquette and precedence is

Choose the word which best expresses the meaning of the underlined word in the sentence.

Decay is an $$\underline {immutable} $$ factor of human life.