Directions: Read the following statements and find out whether they are sufficient or not to answer the given question.
Find the time taken by pipe C alone to fill the tank.
Statement I: Pipe A alone fills the tank in 30 minutes and pipe B alone empties the tank in 45 minutes.
Statement II: Capacity of the tank is 90 litres
Statement III: Pipe A, B and C working together take 36 minutes to fill the tank.
1
Statement I is alone sufficient to answer the question.
2
Statement II is alone sufficient to answer the question.
3
Both statements I and III are required to answer the question.
4
Both statements II and III are required to answer the question.
5
Both statements I and II are required to answer the question.