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.
If two taps, T1 and T2 are opened simultaneously, how long would it take for the empty tank to be filled to half of its capacity?
I. Tap T1 can fill the empty tank in 12 hours.
II. Tap T2 can empty half the tank in 10 hours.1
The data in Statement I alone are sufficient to answer the question, while the data in statements II alone are not sufficient to answer the question.
2
The data in statement II alone are sufficient to answer the questions, while the data in statement I alone are not sufficient to answer the question.
3
The data in both the statements I and II together are necessary to answer the question.
4
The data even in both the statements I and II together is not sufficient to answer the question.
5
The data either in statement I alone or in statement II alone is sufficient to answer the question.