1) Milk and water in two vessels A and B are in the ratio 4 : 3 and 2 : 3 respectively.In what ratio the liquids in both the vessels should be mixed to obtsin anew mixture in vessel C, maintaining half milk and half water? A) 1 : 1 B) 7 : 5 C) 2 : 4 D) 1 : 3 Answer: Option BExplanation:Let the quantities of liquids in vessels A and B mixed be, x litres and y litres respectively. $\frac{4}{7}x+\frac{2}{5}y=\frac{3}{7}x+\frac{3}{5}y$ $\Rightarrow \frac{x}{y}=\frac{7}{5}=7:5$
