Q5. Identify the error: 'The number of students in the class are increasing.'
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Answer: C. 'are' should be 'is'
'The number of' takes a singular verb because the subject is 'number': 'The number of students in the class is increasing.' (Compare: 'A number of students are...')
Q13. Identify the error: 'Scarcely had I reached the station when the train left.'
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Answer: D. No error
The sentence is correct. 'Scarcely' and 'Hardly' are followed by 'when' (not 'than'), and a sentence beginning with 'Scarcely' uses inversion: 'Scarcely had I reached...'
Q15. Identify the error: 'The board will discuss about the proposal tomorrow.'
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Answer: B. 'about' should be removed
'Discuss' is a transitive verb and takes a direct object: 'The board will discuss the proposal tomorrow.' ('A discussion about' is correct, but 'discuss about' is not.)
Q19. Identify the error: 'Of the two sisters, Meera is the tallest.'
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Answer: A. 'tallest' should be 'taller'
When two people or things are compared, the comparative degree is used: 'Of the two sisters, Meera is the taller.' The superlative is for three or more.
Q23. Identify the error: 'Having finished his homework, the boy went out to play.'
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Answer: A. No error
The sentence is correct. The participle phrase 'Having finished his homework' correctly refers to the subject 'the boy', and the past tense 'went' fits.
Q25. Identify the error: 'Rohan is elder than his cousin.'
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Answer: D. 'elder' should be 'older'
'Elder' is used before a noun or with 'the' (my elder brother) and is never followed by 'than'. With 'than', use 'older': 'Rohan is older than his cousin.'
Q29. Identify the segment that contains a grammatical error: 'The committee comprised of / eminent jurists, economists / and retired bureaucrats / drawn from across the country.'
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Answer: A. The committee comprised of
'Comprise' means 'consist of', so it takes no 'of': 'The committee comprised eminent jurists...' (or 'consisted of' / 'was composed of').
Q31. Identify the segment that contains a grammatical error: 'The manager, along with his assistants, / have been summoned / to explain / the discrepancies in the accounts.'
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Answer: B. have been summoned
When two nouns are joined by 'along with', 'as well as' or 'together with', the verb agrees with the first noun. 'The manager' is singular, so it should be 'has been summoned'.
Q33. Identify the segment that contains a grammatical error: 'If he had worked harder, / he would have passed / the examination / without no difficulty.'
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Answer: D. without no difficulty.
'Without' is already negative, so 'without no' is a double negative. Correct: 'without any difficulty'.
Q34. Identify the segment that contains a grammatical error: 'Neither of the two proposals / placed before the board / by the directors / were found acceptable.'
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Answer: D. were found acceptable.
'Neither of' is followed by a singular verb, because 'neither' means 'not either one'. Correct: 'Neither of the two proposals ... was found acceptable'.
Q35. Identify the segment that contains a grammatical error: 'Unless you do not submit / the documents by Friday, / your application / will be rejected.'
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Answer: A. Unless you do not submit
'Unless' means 'if not', so it should not be followed by another 'not'. Correct: 'Unless you submit the documents by Friday...'.
Q36. Identify the segment that contains a grammatical error: 'Inflation has soared, / and experts say that / it is high time / the government takes stringent measures.'
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Answer: D. the government takes stringent measures.
'It is high time' is followed by the past subjunctive (simple past) form: 'it is high time the government took stringent measures'.
Q38. Identify the segment that contains a grammatical error: 'Scarcely had the chief guest arrived / than the audience rose / to give him / a standing ovation.'
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Answer: B. than the audience rose
'Scarcely' and 'hardly' are followed by 'when' (or 'before'), not 'than'. Only 'no sooner' takes 'than'. Correct: 'Scarcely had the chief guest arrived when...'.
Q43. Identify the segment that contains a grammatical error: 'If he would have / listened to his parents, / he would not / have got into trouble.'
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Answer: A. If he would have
In a third conditional (past unreal condition), the 'if' clause takes the past perfect: 'If he had listened...'. 'Would have' belongs only in the main clause.
Q44. Identify the segment that contains a grammatical error: 'Of the two proposals / submitted by the firms, / this one is / the best in every respect.'
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Answer: D. the best in every respect.
When only two things are compared, the comparative degree is used. 'The best' should be 'the better'.
Q46. Identify the segment that contains a grammatical error: 'Before I left for college, / my uncle gave me / many valuable advices / about managing money.'
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Answer: C. many valuable advices
'Advice' is an uncountable noun and has no plural form. It should be 'much valuable advice' or 'many valuable pieces of advice'.
Q47. Identify the segment that contains a grammatical error: 'At yesterday's meeting, / the members of the panel / discussed about the proposal / at great length.'
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Answer: C. discussed about the proposal
'Discuss' is a transitive verb and takes a direct object without 'about'. It should be 'discussed the proposal'.
Q48. Identify the segment that contains a grammatical error: 'I have met / your brother / at the conference / last week.'
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Answer: A. I have met
The present perfect is not used with a definite past time expression such as 'last week'. The simple past is needed: 'I met your brother at the conference last week.'
Q49. Identify the segment that contains a grammatical error: 'The teacher was disappointed / because many a student / in her class / have failed the test.'
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Answer: D. have failed the test.
'Many a' takes a singular noun and a singular verb. It should be 'many a student ... has failed the test'.
Q50. Identify the segment that contains a grammatical error: 'Despite of his best efforts, / he could not / clear the examination / in his first attempt.'
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Answer: A. Despite of his best efforts,
'Despite' is itself a preposition and is not followed by 'of'. Use 'Despite his best efforts' or 'In spite of his best efforts'.