The sentence "One should try one's best" is grammatically correct. The indefinite pronoun "one" correctly uses the possessive pronoun "one's" to maintain consistency within the sentence.
Mark the correct sentence. One should try one's best
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Question context
This question is part of 🗣️ Verbal Ability within the broader 🧠 Aptitude Mastery subject and appears in the SIBA Testing Service (STS) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.