Following questions contain two statements as statement I and statement II. You have to determine which statement/s is/are necessary to answer the question and give answer.
In how many days, A and C together can complete the work?
Statement I: A can complete the half of the work in 20 days and the efficiency of A is 50% more than the efficiency of B. If A and B started the work together and after 10 days A and B left the work, then the remaining work done by C alone in 14 days.
Statement II: A, B and C together can complete the work in 18 days and the efficiency of B is 25% more than the efficiency of C. If A started the work and after 4 days B joined with A and then after some days A and B left the work, then C alone complete the remaining work in 6 days.
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.
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.
The data either in statement I alone or in statement II alone is sufficient to answer the question.
The data given in both statements I and II together are not sufficient to answer the question.