Each of the questions given 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.
Find the time taken by boat to travel 60 km against the stream.
I. The boat travels 20 km against the stream in 3 hours.
II. Speed of stream is 5 km/h and it travels 40 km with the stream.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 the data either in statement I alone or in statement II alone are sufficient to answer the question.
4
If the data given in both statements I and II together are not sufficient to answer the question.
5
If the data in both statements I and II together are necessary to answer the question.