ALLIGATION OR MIXTURE PROBLEMS QUIZ

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:

45L

40.5L

36.45L

42.5L

TRUE ANSWER : ?
YOUR ANSWER : ?

A solution of sugar syrup has 15 % sugar. Another solution has 5 % sugar. How many liter of the second solution must be added to 20 liters of the first solution to make a solution of 10 % sugar?

5

10

15

20

TRUE ANSWER : ?
YOUR ANSWER : ?

The average age of 6 members of a family is 20 years. If the age of the servant is included, then the average age increase by 25%. What is the age (in years) of the servant?

55

30

35

50

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YOUR ANSWER : ?

A tin a mixture of two liquids A and B in the proportion 4 : 1. If 45 litres of the mixture is replaced by 45 litres of liquid B, then the ratio of the two liquids becomes 2 : 5. How much of the liquid B was there in the tin? What quantity does the tin hold?

62 l

50 l

58 l

65 l

TRUE ANSWER : ?
YOUR ANSWER : ?

8 litres are drawn from a flask containing milk and then filledwith water. The operation is performed 3 more times. Theratio of the quantity of milk left and total solution is 81/625.How much milk the flask initially holds?

20 ltr

40 ltr

30 ltr

10 ltr

TRUE ANSWER : ?
YOUR ANSWER : ?

A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:

4%

20%

25%

6¼%

TRUE ANSWER : ?
YOUR ANSWER : ?

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

5:3

5:2

5:4

5:1

TRUE ANSWER : ?
YOUR ANSWER : ?

A container is full of milk. One-third of milk is taken out of it and replaced by same quantity of water. Then again one-third of the mixture is taken out of it and replaced by the same quantity of water. The process is repeated 4 times. If 16 litres of milk is left in the container at the end of 4th operation, find the capacity of the container.

81 litres

82 litres

76 litres

85 litres

TRUE ANSWER : ?
YOUR ANSWER : ?

From a tank of petrol , which contains 200 liters of petrol, the seller replaces each time with kerosene when he sells 40 liters of petrol(or mixture). Everytime he sells out only 40 liters of petrol (pure or impure). After replacing the petrol with kerosene 4th time, the total amount of kerosene in the mixture is

None of these

81.92L

96L

118.08L

TRUE ANSWER : ?
YOUR ANSWER : ?

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.

50 , 50

40 , 60

20 , 50

30 , 70

TRUE ANSWER : ?
YOUR ANSWER : ?

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