Correct option is C
The correct synonym of the given word is (c)
Logical.
Valid: something that is legally or factually acceptable; well-founded, sound, or reasonable in logic and evidence. (हिंदी अर्थ:
वैध, उचित, तार्किक रूप से सही)
Example: The researcher presented
valid reasons to revise the hypothesis.
Logical: based on clear, sound reasoning; consistent with rules of logic; hence reasonable and well-founded. (हिंदी अर्थ:
तार्किक, युक्तिसंगत)
Example: Given the data, it is
logical to conclude that the method improves accuracy.
Synonyms: legitimate, sound, tenable, cogent.
Antonyms: invalid, illegitimate, false, unsound.
Meanings of all the other given options:
· (a)
Illicit: forbidden by law or rules; illegal. (हिंदी:
अवैध, निषिद्ध)
· (b)
Evil: morally bad or harmful. (हिंदी:
बुरा, दुष्ट)
· (d)
Fake: not genuine; a counterfeit or imitation. (हिंदी:
नकली, जाली)