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. 21 % 27 % 29 % 26 % 21 % 27 % 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 In a courtyard there are many chickens and goats. If heads are counted, it comes to 100 but when legs are counted, it comes to 320. Find the number of chickens and goats in the courtyard. 40 , 60 20 , 50 30 , 70 50 , 50 40 , 60 20 , 50 30 , 70 50 , 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Average no. of legs per head = (320 / 100) = (16 / 5) or, 3 : 2 No. of goats = (3 / 3 + 2) × 100 = 60 No. of chickens = 100 ? 60 = 40.
Alligation or Mixture problems A man buys milk at Rs. 5 a litre and mixes it with water. By selling the mixture at Rs. 4 a litre he gains 121/2 % on his outlay. How much water did each litre of the mixture contain? 32 litre 13 32 litre 45 13 litre 45 None of these 32 litre 13 32 litre 45 13 litre 45 None of these ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems Two bottles contain acid and water in the ratio 2 : 3 and 1 : 2 respectively. These are mixed in the ratio 1 : 3. What is the ratio of acid and water in the new mixture ? 23:37 1:3 7:13 11:57 23:37 1:3 7:13 11:57 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems How much pepsi at Rs.6 a litre is added to 15 litre of 'dew' at Rs. 10 a litre so that the price of the mixture be Rs.9 a litre? 10 8 5 None of these 10 8 5 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x litre pepsi is required. (10-9)=1 : 3=(9-6) Therefore in 1:3 one part = 5 => x= 5 litres
Alligation or Mixture problems A mixture is composed of 11 parts of pure milk and 2 parts of water. If 35 litres of water were added to the mixture then the new mixture will contain twice as much pure milk as water, then how many litres of pure milk does the original mixture contain? 110 220 70 55 110 220 70 55 ANSWER DOWNLOAD EXAMIANS APP
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