Data Sufficiency Practice Test 2

Directions (1−15): Each of the questions 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 are sufficient to answer the question. Read both the statements and give your answer.
(1) 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.
(2) 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.
(3) If the data either in Statement I alone or in Statement II alone is sufficient to answer the question, and
(4) If the data in both the Statements I and II togetheris necessary to answer the question.
(5) If data in both the Statements I and II is not sufficient to answer the question.