question_answer

Directions: Each of the questions given below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements is sufficient to answer the question.

In how many hours can A alone complete the piece of work?

I. B alone can complete the piece of work in 28 h.

II. A, B and C together can complete the piece of work in 18 h.

A)  If the data in statement I alone is sufficient to answer the question, while the data in statement II alone is 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 is not sufficient to answer the question

C)  If the data in statement I alone or in statement II alone is sufficient to answer the question

D)  If the data in both the statements 1 and II is not sufficient to answer the question

E)  If the data in both the statements I and II together in necessary to answer the question