Question

    In the following question, one part of the sentence may

    have an error. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select 'No Error'. Ignore errors of punctuation, if any. 
    A Police said they had no idea Correct Answer Incorrect Answer
    B how long the factory had been in operation, Correct Answer Incorrect Answer
    C but estimated it to be around Correct Answer Incorrect Answer
    D three or four months. Correct Answer Incorrect Answer
    E No error Correct Answer Incorrect Answer

    Solution

    The sentence is grammatically and meaningfully correct. Thus, E is the right answer. 

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