Identify the logical error in the sentence: 'The fuel efficiency of an electric car is vastly superior to a conventional petrol sedan.'
Answer and explanation
Correct answer: B. Faulty comparison between an efficiency metric and a physical vehicle
- Step 1: The sentence compares 'the fuel efficiency' (a performance metric) directly with 'a conventional petrol sedan' (an automobile). To be grammatically and logically parallel, it must compare efficiency with efficiency: 'superior to that of a conventional petrol sedan'. Answer: Faulty comparison between an efficiency metric and a physical vehicle. Why not the others: "Dangling participial modifier" involves an introductory participle phrase lacking a logical subject agent; "Comma splice between clauses" links two independent clauses with only a comma and no conjunction; "Subject-verb number mismatch" occurs when a singular subject is incorrectly paired with a plural verb.
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