Alligation or Mixture problems In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%? 50 lit 60 lit 55 lit 45 lit 50 lit 60 lit 55 lit 45 lit ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems How much water (in litres) must be added to 80 litres solution of milk and water containing 10% milk, so that it becomes a 5% milk solution? 80 20 10 40 80 20 10 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let initial quantity be Q, and final quantity be F F = Q(1 - 8/Q) 4 => Q = 20
Alligation or Mixture problems A cask full of wine from which 8 litres are drawn and is then filled with water. This operation is performed three more times. The ratio of quantity of wine left in the cask to that of the water is 16: 81. How much wine did the cask hold originally? 32 litres 18 litres 42 litres 24 litres 32 litres 18 litres 42 litres 24 litres ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let A liters wine cask hold originally, then A[1 - (8 / A)]4 / A = 16 / 81 ? (1 - (8 / A))4 = (2 / 3 )4 ? (1 - (8 / A)) = (2 / 3) ? (8 / A) = (1 - (2 /3)) ? (8 / A) = (1 / 3)? A = 24 liters
Alligation or Mixture problems In what ratio should two varieties of tea at Rs. 60 per kg and Rs.120 per kg be mixed together so that by selling the mixture at Rs.96 per kg, a profit of Rs.20% is obtained? 1:2 1:3 2:1 1:4 1:2 1:3 2:1 1:4 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems The average weight of boys in a class is 30 kg and the average weight of girls in the same class is 20kg. If the average weight of the whole class is 23.25 kg, what could be the possible strength of boys and girls respectively in the same class? 13 and 27 17 and 27 14 and 16 None of these 13 and 27 17 and 27 14 and 16 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total no.of boys : no. of girls = 13:27 27 : 13
Alligation or Mixture problems A container contains 40 litres of milk.From this container 4 litres 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. 26.34 litres 27.36 litres 28 litres 29.16 litres 26.34 litres 27.36 litres 28 litres 29.16 litres ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Amount of milk left after 3 operations 40 1 - 4 40 3 = 40 * 9 10 * 9 10 * 9 10 = 29 . 16 litres
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