ALLIGATION OR MIXTURE PROBLEMS QUIZ

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 %?

20%

33.33%

25%

22.5%

TRUE ANSWER : ?
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How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a maximum whose cost is Rs.52 per liter?

180

120

160

110

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Milk and water are mixed in a vessel A as 4:1 and in vessel B as 3:2. For vessel C, if one takes equal quantities from A and B, find the ratio of milk to water in C.

7:3

1:9

9:1

3:7

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In a class of 30 students , the average weight of boys is 20 kg and the average weight of the girls is 25 kg . The fraction of boys out of the total students of the class is

3/4

5/6

4/5

Data insufficient

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YOUR ANSWER : ?

From the 50 liters of milk, 5 liters of milk is taken out and after it 5 liters of water is added to the rest amount of milk. Again 5 liters of milk and water is drawn out and it was replaced by 5 liters of water. If this process is continued similarly for the third time, the amount of milk left after the third replacement:

36.45L

42.5L

45L

40.5L

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YOUR ANSWER : ?

The ratio of water and alcohol in two different containers is 2:3 and 4:5. In what ratio we are required to mix the mixtures of two containers in order to get the new mixture in which the ratio of alcohol and water be 7:5?

8:5

7:3

5:3

2:7

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In what ratio of water be mixed with milk to gain 16 2/ 3 % on selling the mixture at cost price?

4 : 3

6 : 1

1 : 6

2 : 3

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If 4 kg of an alloy made of 1/4th iron and rest is mixed with 6 kg of another alloy made of 2/3rd iron and rest tin, find the ratio of iron to tin in the resultant mixture.

1 : 1

1 : 2

2 : 1

3 : 2

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In what proportion must tea at Rs. 62 per kg be mixed with tea at Rs. 72 per kg in order to obtain the mixture worth Rs. 65 per kg?

7: 3

2: 3

4: 7

4: 6

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Three bottles of equal capacity containing mixture of milk and water in ratio 2 : 5, 3 : 4 and 4 : 5 respectively. These three bottles are emptied into a large bottle. What will be the ratio of milk and water respectively in the large bottle?

73 : 113

73 : 106

73 : 116

73 : 189

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YOUR ANSWER : ?

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