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Civil Service Exam

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Subject: Verbal AbilityTopic: Grammar and Correct UsageEasymcq_singleAdded: 3/6/2026

Question

Which sentence is grammatically correct?

  • A.She is good in math.
  • B.She is good at math.Correct
  • C.She is good on math.
  • D.She is good for math.

Correct Answer

B. She is good at math.

Explanation

The correct preposition used with ‘good’ for subjects is ‘at’.

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