Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).
The test will not need more than one and half hour to finish.
The test will not need
more than one and half hour
to finish.
No error.
Correct answer is B
more than one and a half hour