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? 9800 12800 6400 1600 9800 12800 6400 1600 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems In what ratio must a grocer mix sugar at 72 paise per kg with sugar at 48 paise per kg. So that by selling the mixture at 63 paise per kg he may gain 1 of his out-lay? 6 1 : 3 2 : 3 3 : 2 3 : 1 1 : 3 2 : 3 3 : 2 3 : 1 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A sum of Rs. 41 was divided among 50 boys and girls. Each boy gets 90 paise and a girl 65 paise. The number of boys is ? 34 16 36 14 34 16 36 14 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems In a 100 litre of mixture the ratio of milk and water is 6:4. How much milk must be added to the mixture in order to make the ratio 3 : 1? 55 45 60 85 55 45 60 85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let M litres milk be added => 60 + M 40 = 3 1 => 60 + M = 120 => M = 60 lit.
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 28 litres 29.16 litres 27.36 litres 26.34 litres 28 litres 29.16 litres 27.36 litres ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Amount of milk left after 3 operations = [ 40 ❨ 1 - 4 ❩ 3 ] litres 40 = ❨ 40 x 9 x 9 x 9 ❩ = 29.16 litres.
Alligation or Mixture problems 20 kg of a mixture of wheat and husk contains 5% husk. How many kg more of husk must be added to make the husk content 20% in the new mixture? 3.75 2.75 5.75 4.75 3.75 2.75 5.75 4.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let initial quantity be Q, and final quantity be F F = Q(1 - 8/Q) 4 => Q = 20
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