Alligation or Mixture problems A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 31.8% 33.33% 29.85% 31% 31.8% 33.33% 29.85% 31% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%
Alligation or Mixture problems A can contains a mixture of 2 liquids A and B in proportion 7 : 5 when 9 liters of mixture are drawn off and the can is filled with B, the proportion of A and B becomes 7 : 9. How many liters of liquid A was contained by the can initially? 20 10 21 25 20 10 21 25 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems Two vessels A and B contains milk and water mixed in the ratio 5 : 3 and 2 : 3. When these mixtures are mixed to form a new mixture containing half milk and half water, they must be taken in the ratio ? 7 : 3 3 : 5 4 : 5 2 : 5 7 : 3 3 : 5 4 : 5 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A vessel, full of water, weighs 24 kg. When the vessel is 1/4 full, it weighs 9 kg. Find the weight of empty vessel. 4 kg 8 kg 5 kg 3 kg 4 kg 8 kg 5 kg 3 kg ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the weight of vessel be xWeight of water = 24 ? x? (24 ? x)/4 + x = 9? 24 ? x + 4x = 36? 3x = 12? x = 4 kg
Alligation or Mixture problems In a mixture of 25 litres, the ratio of milk to water is 4:1. Another 3 litres of water is added to the mixture. The ratio of milk to water in the new mixture is 5:2 5:3 5:1 5:4 5:2 5:3 5:1 5:4 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems From a tank of petrol, which contains 200 litres of petrol, the seller replaces each time with kerosene when he sells 40 litres of petrol(or its mixture). Everytime he sells out only 40 litres of petrol(pure or impure). After replacing the petrol with kerosen 4th time, the total amount of kerosene in the mixture is None of these 81.92L 118.08L 96L None of these 81.92L 118.08L 96L ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The amount of petrol left after 4 operations = 200 × 1 - 40 200 4 = 200 × 4 5 4 = 200 × 256 625 = 81.92 litres Hence the amount of kerosene = 200 - 81.92 = 118. 08 litres