Allegation or Mixture Questions and Answers

A sum of Rs. 312 was divided among 100 boys and girls in such a way that each boy gets Rs. 3.60 and each girl Rs. 2.40. The number of girls is :

A man covered a distance of 2000 km in 18 hours partly by bus at 72 kmph and partly by train at 160 kmph. The distance covered by bus is :

A sum of Rs. 36.90 is made up of 180 coins which are  either 10 paise coins or 25 paise coins. the number of 10 paise coins is :

A dishonest milkman prfesses to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is ;

A mixture of 20kg of spirit and water contsins 10% water. How much water must added to this mixture to raise the percentage of water to 25% ?

A container contains 40 kg of milk. From this container 4 kg of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container ?

A can contains a mixture of two liquids A and B in the ratio 7 :5. when 9 litres of mixture are drawn of and the can is filled with B, the ratio of A and B becomes 7 :9. How many litres of liquid A was contained by the can initially ?

A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?

Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:

A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?