English grammar error-spotting (subject–verb agreement with singular ‘‘The number …’’): Read the sentence and choose the erroneous part; pick ‘‘No error’’ only if all parts are correct: ‘‘The number of marks carried by each question / are indicated / at the end of the question / No error.’’

Given data

• A: Subject = ‘‘The number of marks …’’ → singular head ‘‘number’’.
• B: Verb = ‘‘are indicated’’ → plural—mismatch.
• C: Complement = place phrase.

Concept / ApproachWith ‘‘the number of …’’, use a singular verb: ‘‘is indicated’’.

Correction‘‘The number of marks carried by each question is indicated at the end of the question.’’

Common pitfalls

• Confusing with ‘‘a number of …’’ which takes a plural verb.

Final Answerare indicated