Each question below is followed by two statements I and II. You have to determine whether the data given in the statements are sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose the best possible answer. In how many days A will complete the work alone?
I. B and C alone can complete the work in 12 and 15 days respectively.
II. Together A, B and C can complete the work in 4 days.

Options

A. If the data in statement I alone is sufficient to answer the question, while the data in statement II alone
are not sufficient to answer the question.
B. If the data in statement II alone is sufficient to answer the question, while the data in statement I alone
are not sufficient to answer the question.
C. If the data either in statement I alone or in statement II alone is sufficient to answer the question.
D. If the data in both the statements I and II together are sufficient to answer the question.