Two vessels contains equal number of mixtures milk and water in the ratio 7:2 and 8:1. Both the mixtures are now mixed thoroughly. Find the ratio of milk to water in the new mixture so obtained?  Choose the most appropriate option:
A) 1:3
B) 9:13
C) 5:1
D) 11:3
E) 15:4
The ratio of milk and water in the new vessel is = (7/9 + 8/9) : (2/9 + 1/9)   = 15/9 : 3/9 = 5:1   Answer is 5:1
<result>C</result>
Two vessels contains equal number of mixtures milk and water in the ratio 7:2 and 8:1. Both the mixtures are now mixed thoroughly. Find the ratio of milk to water in the new mixture so obtained?