Question

There are two vessels P and Q, P containing a 120 litres of milk and Q containing 120 litres of water. 30 litres is drawn from P and poured into Q and then 30 litres from Q is poured back into P. The process is repeated once more, At the end of this repetition, what is the ratio of milk and water in P & Q?​

Answer 1

Answer:

Like this one more operation take place i.e transfering 30 liter from P to Q and then 30 liter is poured back from Q to P. The first mixing made 30 parts of milk and 120 parts water, a total of 120+30=150 parts.