Correct option is A
Option (a) "somthing" is incorrectly spelled.
The correct spelling is "something," which means an unspecified item or thing. (कुछ)
Example: If you want to achieve something significant, you must be prepared to work hard for it.
Meanings of all the given options:
· (a) Somthing– Incorrect spelling. Correct: Something (कोई चीज़ /कुछ)
· (b) Considerable – Large in amount, extent, or importance (काफ़ी ज़्यादा)
· (c) Gigantic – Extremely large; enormous (बहुत विशाल)
· (d) Achieve – To successfully reach a goal or result through effort (हासिल करना)