In two container A and B, milk and water are in the ratio 4 : 3 and 9 : 4 respectively. Quantity of both mixture are mixed in the ratio 3 : 1. Find the ratio of milk and water in new mixture.

219 : 145

          Milk   :    Water      Mixture  

A          4     :     3       :      7       ............(i)

B          9     :     4       :      13     ............(ii)

Note: Mixture is to be mixed in the ratio 3 : 1, therefore,

(i)× 39 and (ii)× 7

          Milk     :    Water         

A        156     :     117  

B          63     :      28   

A +B:   219    :     145