Alligation or Mixture problems One type of liquid contains 25 % of benzene, the other contains 30% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of benzene in the new mixture. 27 % 21 % 29 % 26 % 27 % 21 % 29 % 26 % ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the percentage of benzene = X(30 - X)/(X- 25) = 6/4 = 3/2 => 5X = 135 X = 27 So, required percentage of benzene = 27 %
Alligation or Mixture problems A drum contains 80 litres of ethanol. 20 litres of this liquid is removed and replaced with water. 20 litres of this mixture is again removed and replaced with water. How much water (in litres) is present in this drum now? 44 35 45 40 44 35 45 40 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A milkman has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk. If the cost of pure milk is Rs. 18 per litre, then the profit of the milkman, when he sells all the mixture at cost price, the profit %? 25% 33.33% 20% 22.5% 25% 33.33% 20% 22.5% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP As water costs free, water sold at cost price of milk gives the profit. Required profit % = 5/20 x 100 = 5 x 5 = 25%.
Alligation or Mixture problems Rs. 1000 is lent out in two parts, one at 6 % simple interest and the other at 8 % simple interest. The yearly income is Rs. 75. The sum lent at 8 % is ? Rs. 600 Rs. 750 Rs. 500 Rs. 250 Rs. 600 Rs. 750 Rs. 500 Rs. 250 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A jar was full with honey. A person used to draw out 20% of the honey from the jar and replaced it with sugar solution. He has repeated the same process 4 times and thus there was only 512 gm of honey left in the jar, the rest part of the jar was filled with the sugar solution. The initial amount of honey in the jar was: 1 kg 1.5 kg 1.25 kg None of these 1 kg 1.5 kg 1.25 kg None of these ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A person has two solutions of sugar with 30% and 50% concentration respectively. In what proportion should he mix two solutions to get 45% concentration in the resulting mixture? 1 : 3 3 : 1 3 : 2 2 : 3 1 : 3 3 : 1 3 : 2 2 : 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP He should mix 30% and 50% in the ratio 5 : 15 or 1 : 3. ( 30% Solution ) / (50% Solution) = 1 / 3 or 1 : 3
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