Comprehension Passage
Directions: Read the following information carefully and answer the questions based in it.
There were two similar tanks X and Y with five similar pipes P, Q, R, S and T. Pipes P, Q and R can fill the empty tank in 10 minutes, 15 minutes and 30 minutes respectively, while pipes S and T can empty the filled tank in 20 minutes and 30 minutes respectively. Tank X had no leaks, but tank Y had a leak, such that when pipe P was opened in the empty tank Y, it took 12 minutes to fill the tank Y.Pipes P, Q and R were simultaneously opened into the empty tank X, such that pipes P and Q were discharging milk and pipe R was discharging water into the tank. So, the tank will be 60% filled after (A) minutes and the mixture in the tank will contain (B) part of milk.
What should come in the place of (A) and (B) respectively?
I. 2, 3/4
II. 2, 4/5
III. 3, 5/6
IV. 3, 6/7
1
Only I
2
Only II
3
Only III
4
Only IV
5
None of these