Out of given options choose a word that can be used as an adjective a…

The correct answer is Option (1) → Fast

An adverb is a word that tells how, when, where or how much something happens. It can also describe an adjective or another adverb, for example she sings sweetly, very hot.

Option	What it tells	Example
(1) Fast (answer)	An adjective describes a noun. An adverb describes a verb, an adjective or another adverb. A few words have the same form in both uses: fast, hard, late, early, high, straight. Fast is one of them: adjective: "a fast car" (describes the noun car). adverb: "He runs fast" (describes the verb runs). "Fastly" is not an English word.	The fast bowler ran in fast and took a wicket.
(2) Quickly	Quickly is only an adverb. The adjective is "quick".	–
(3) Beautiful	Beautiful is only an adjective. The adverb is "beautifully".	–
(4) Happily	Happily is only an adverb. The adjective is "happy".	–

Note: The actual question was dropped by NTA. For the benefit of the students and to give additional practice, the original question has been replaced with a new question.