1) Two equal glasses fillde with mixture of milk and water in the proportion of 2 : 1 and 1 : 1 respectively are emptied into a third glass.What is the proportion of milk and water in the third? A) 3 : 7 B) 5 : 7 C) 4 :7 D) 7 : 5 Answer: Option DExplanation:Milk content in third glass $=\frac{2}{3} + \frac{1}{2}=\frac{7}{6}$ Water content in third glass $=\frac{1}{3}+\frac{1}{2}=\frac{5}{6}$ Ratio of milk and water $=\frac{7}{6} : \frac{5}{6}= 7 : 5$
