Directions: Each of the questions given below consists of a question and 2 statements numbered I and II. You have to decide whether the data is sufficient to answer the question. Read both Statements carefully and then answer the questions.
Two trains running in the opposite direction cross each other in 9 sec. What is the difference between their lengths?
Statement I. The sum of their speeds is 18 m / sec.
Statement II. The difference between their speeds is 6 m / sec.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.