Vessel A contains a mixture of apple juice and orange juice in the respective quantity of 16 litres and
4 litres. Vessel B contains a mixture of orange juice and apple juice in the respective quantity of 24 litres
and 6 litres. Mixture from vessel A and B, are both mixed together in vessels C. what is the resultant
percentage of apple juice in the vessel C?

Vessel A contains a mixture of milk and water in the respective quantities of 20 litres and 4 litres.
Vessel B contains a mixture of milk and water in the ratio of 3:1. Mixture from vessel A and B are both
mixed together in the vessel C. if the resultant percentage of water in vessel C was 20%, what was the initial quantity of the mixture in vessel B?

A mixture of 125 gallons of wine and water contains 20% of water. How much water must be added to mixture in order to increase the percentage of water to 25% of the new mixture?

A butler stole wine from a butt of sherry which contained 40% of spirit and he replaced what he had
stolen by wine containing only 16% spirit. The butt was then of 24% strength only. How much of the butt did he steal?

A bar is creating a new signature drink. They are using two alcoholic ingredients in the drink: vodka
and gin. They are using two non-alcoholic ingredients in the drink: orange juice and cranberry juice. The
alcoholic ingredients contain 40% alcohol. The non-alcoholic ingredients contain no alcohol. How many liters of non-alcoholic ingredients must be added to 6 liters of alcoholic ingredients to produce a mixture that is 15% alcohol?

In year 2013, the number of students in school A was half that of in school B. In the year 2014, the number of students was more than that in previous year by 20% in each of the schools. In the year 2015, the number of students in school A was one-fourth of the sum of those in schools A and B together in the year 2014. The number of students in the school A in the year 2015 was what percent less than that in the year 2014?

In an election, A wins over B by a margin of 280 votes, which is 14% of total number of votes. If 1% votes are invalid, how many votes were valid?