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 answer-(1) 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. (2) 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. (3) If either of the data in statement I alone or in statement II alone are sufficient to answer the question. (4) If the data in both statements I and II together are not sufficient to answer the question. (5) If the data in both the statement I and II together are necessary to answer the question. What is the speed of the train? I. The train covers a distance of 215 km in 5 hours. II. The train covers a distance of 370 km in 8 hours.