The ratio of milk to water in three containers of equal capacity is 3 : 2, 7 : 3 and 11 : 4 respectively. The contents of the three containers are mixed together. What is the ratio of milk to water after mixing ?

The ratio of milk to water in three containers of equal capacity is 3

1.	The ratio of milk to water in three containers of equal capacity is 3 : 2, 7 : 3 and 11 : 4 respectively. The contents of the three containers are mixed together. What is the ratio of milk to water after mixing ?
A.	9 : 4
B.	: 3
C.	1 : 29
D.	1 : 18
Answer» D. 1 : 18