Alligation or Mixture problems A vessel is filled with liquid, 3 parts of which are water and 5 parts of 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? 1/4 1/3 1/7 1/5 1/4 1/3 1/7 1/5 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 40 10 20 80 40 10 20 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 Two casks of 48 and 42 liters are filled with mixture of wine and water13 : 7 and 18 : 17. If the contents of the two casks be mixed and 20 liters of water added to the whole what will be the proportion of wine to water in the result? 12 : 13 31 : 21 21 : 31 13 : 12 12 : 13 31 : 21 21 : 31 13 : 12 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A grocer buys two kind of rice at Rs. 1·80 and Rs. 1·20 per kg respectively. In what proportion should these be mixed, so that by selling the mixture at Rs. 1·75 per kg, 25 % may be gained? 3 : 2 1 : 2 3 : 4 2 : 1 3 : 2 1 : 2 3 : 4 2 : 1 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A beaker contains acid and water in the ratio 1 : x. When 300 ml of the mixture and 50 ml of water are mixed, the ratio of acid and water becomes 2 : 5. What is the value of x? 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems In a container, there is 960 ltr of pure milk from which 48 ltr of milk is replaced with 48 ltr of water, again 48 ltr milk is replaced by same amount of water, as this process is done once more. Now, what is the amount of pure milk? 823.08 ltr 719.64 ltr 821.54 ltr 901.54 ltr 823.08 ltr 719.64 ltr 821.54 ltr 901.54 ltr ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Amount of pure milk= a(1 ?b/a)n(n = 3, a = pure milk and b = amount replaced)= 960 (1 ?48/960)^3= 960(1-1/20)^3= 960 * 19/20 * 19/20*19/20= 823.08 lt.