Find out whether there is any grammatical error in below sentence. Mangesh cannot be able / to finish this work / unless he takes the / help of his colleagues.

The correct answer is E. No error.

The sentence is grammatically correct. The word “can” is used to express ability, and the word “able” is redundant. The word “unless” is used to introduce a condition, and the word “help”

Here is a breakdown of each option:

• A. Mangesh cannot be able

The word “can” is used to express ability, and the word “able” is redundant. The sentence would be more concise without the word “able.”

• B. to finish this work

The word “to” is a preposition that is used to indicate the purpose of an action. The sentence is grammatically correct with the word “to.”

• C.
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  unless he takes the

The word “unless” is used to introduce a condition. The sentence is grammatically correct with the word “unless.”

• D. help of his colleagues

The word “help” is a noun that refers to assistance. The sentence is grammatically correct with the word “help.”

• E. No error

The sentence is grammatically correct. There is no error in the sentence.