The following question is accompanied by two statements (I) and (II). You have to determine which statements(s) is/are sufficient/necessary to answer the questions.
How much time train A will take to cover a distance of 266 km?
Statement I. The ratio of speed at which train A and train B run is 4 : 5 respectively.
Statement II. The average speed of train A and train B is 400 / 9 km / h.1
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
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
The data in statement I alone or in statement II alone is sufficient to answer the question.
4
The data in both statements I and II are not sufficient to answer the question.
5
The data in both statements I and II together are necessary to answer the question.