Read each sentence to find out whether there is an error in any underlined part.
I have ten dozens of shoes.
Tripura Public Service Commission - 2019,
Answer: B
The error is in part (B) ten dozens.
When dozen follows a number, it stays singular: I have ten dozen of shoes, as with 'two hundred' or 'five thousand'. The plural 'dozens' is used only without a number, as in 'dozens of people'.
Careful usage would say 'ten dozen pairs of shoes', but the error the question tests is the plural 'dozens' after a number, so the answer is part (B), not (A) or (C).
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