In what ratio P:Q should the Mixture P of milk and water in the ratio of 5:3 be mixed with another Mixture Q of milk and water in the ratio 1:3 so that the resultant mixture contains equal quantities of milk and water?	Select the correct option.
A) 5:2  B) 4:3  C) 3:2  D) 2:1  E) 4:1
(5/8)*P +(1/4)*Q = (3/8)*P+(3/4)*Q   2P=4Q   P/Q = 2/1   The answer is 2:1.
<result>D</result>
In what ratio P:Q should the Mixture P of milk and water in the ratio of 5:3 be mixed with another Mixture Q of milk and water in the ratio 1:3 so that the resultant mixture contains equal quantities of milk and water?