Read each sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. If there is no error, the answer is E. (Ignore errors of punctuation, if any).
We use article 'an' Before vowel sounds. Hence, a increase should be replaced by an increase. Hence, B
We use article 'an' Before vowel sounds. Hence, a increase should be replaced by an increase. Hence, B