Read the following two statements and answer the question given below:
Statement I: A and B together complete the work in 10 days.
Statement II: A can do complete the work in 20 days.
How long would it take B to complete the work? To answer the question, correct choice is:
1
Statement I alone is sufficient, but statement II alone is not sufficient.
2
Statement II alone is sufficient, but statement I alone is not sufficient.
3
Both statement I and II together are sufficient.
4
Each statement alone is sufficient.