Find out whether there is any grammatical error in below sentence. The number of marks carried by each question / are indicated / at the end of the question

The correct answer is: D. No error

The sentence is grammatically correct. The subject and verb agree, and the tense is consistent. The preposition “at” is used

The other options are incorrect because they contain grammatical errors. Option A is incorrect because the verb “are” does not agree with the subject “number.” Option B is incorrect because the preposition “indicated” is used incorrectly. Option C is incorrect because the sentence is incomplete.