| Disha singh asks : Nine litres are drawn from a cask full of wine and it is then filled with water. Nine litres of the mixture are drawn and the cask is again filled with water. The ratio of the quantity of wine now left in the flask to that of the water in it is 16 : 9. How much does the cask hold (in litres)? (A) 25 (B) 30 (C) 35 (D) 45 (E) 50 |