Directions (62-64): In this question below consists of a question and two statements numbered I and II are given below it. You have to decide whether the data provided in the statements are sufficient to answer the question.
In how many days can B alone complete the work?
I. B and C together can complete the work in 8 days.
II. A and B together can complete the work in 12 days.
if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
if the data in both Statements I and II are not sufficient to answer the question.
if the data in Statement I alone or in Statement II alone are sufficient to answer the question.
if the data in both the Statements I and II together are necessary the question.
Solution
Statements I gives no conclusion.
From statement II,
(A + B)'s 1 day work $= \dfrac{1}{12}$
A's 1 day work is not known.