Alligation or Mixture problems Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg. 2:3 3:4 4:5 1:3 2:3 3:4 4:5 1:3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By the rule of alligation:Cost of 1 kg rice of 1st kind Cost of 1 kg rice of 2nd kind Required ratio = 60 : 90 = 2 : 3
Alligation or Mixture problems Currants at Rs. 50 per kg are mixed with currants at Rs. 90 per kg to make a mixture of 17 kg worth Rs. 70 per kg. How many kilograms of each are taken? 8 1 kg of each 2 7 kg, 10 kg None of these 8 kg, 9 kg 8 1 kg of each 2 7 kg, 10 kg None of these 8 kg, 9 kg ANSWER DOWNLOAD EXAMIANS APP
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 5:4 5:2 5:3 5:1 5:4 5:2 5:3 5:1 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A jar full of whisky contains 40 % of alcohol. A part of this whisky is replaced by another containing 19 % alcohol and now the percentage of alcohol was found to be 26. The quantity of whisky replaced is ? 2 5 2 3 3 5 1 3 2 5 2 3 3 5 1 3 ANSWER DOWNLOAD EXAMIANS APP
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. 33.33% 31.8% 29.85% 31% 33.33% 31.8% 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 An alloy is made by mixing metal A costing Rs 2000/kg and metal B costing Rs 400/kg in the ratio A:B = 3:1. What is the cost (in Rs) of 8 kilograms of this alloy? 6400 12800 9800 1600 6400 12800 9800 1600 ANSWER DOWNLOAD EXAMIANS APP