. Directions: Each of the questions given below consists of a question and 3 statements numbered I, II and III. You have to decide whether the data is sufficient to answer the question. Read all Statements carefully and then answer the questions.
A tank is fitted with two taps A and B. in how much time will the tank be full if both the taps are opened together?
Statement I. A alone takes 10 hours to fill the tank.
Statement II. A is 100% more efficient than B.
Statement III. B alone take 20 hours to fill the tank.
1
II and III only
2
All I, II, III
3
I and II only
4
I and III only
5
Any two of the three