# BIHAR CGL PRE MIXTURE AND ALLIGATION QUIZ - 21

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## Question 1:

A mixture of 70 liters of sugar and water contains 10% water. How many liters of water should be added to the mixture so that the water becomes 20%?

## Question 2:

Three containers have their volumes in the ratio $3: 4: 5$. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio (4:1), (3:1) and (5:2) respectively. The contents of all there three containers are poured into fourth container in the ratio $5: 3: 7$. The ratio of milk and water in the fourth containers:

## Question 3:

A merchant has $2,000 \mathrm{~kg}$ of sugar, part of which he sells at $8 \%$ profit and rest at $18 \%$ profit. He gains $14 \%$ on the whole. Find the quantity sold at $18 \%$ profit.

## Question 4:

Solution A and B are $16 \%$ and $21 \%$ acidic respectively. In what ratio should solution A and B be mixed to obtain a solution which is $19.5 \%$ acidic.

## Question 5:

80 liter mixture of milk and water contains 10% milk. How much milk must be added to make water percentage in the mixture as 80% ?

## Question 6:

How much quantity of water must be added to $48 \mathrm{ml}$ of alcohol to make a solution that contains $25 \%$ alcohol?

## Question 7:

There are two drums, each containing a mixture of paints A and B. In drum 1, A and B are in the ratio 18 : 7. The mixtures from drums 1 and 2 are mixed in the ratio 3 : 4 and in this final mixture, A and B are in the ratio 13 : 7. In drum 2, then A and B were in the ratio

## Question 8:

In 64 liter of pure milk, 20 liter of water is mixed and then $\frac{1}{4}$ th of the mixture is taken out. When $x$ liter of water is added again then ratio of water to that of the milk becomes $1: 2$. Find value of $x$ ?

## Question 9:

A vessel contains mixture of milk and water in the ration of 3 : 1 respectively. If 20 liters mixture taken out from the vessel and now the difference between milk and water in the remaining mixture is 70 liters, then find initial mixture in vessel (in liters)?

## Question 10:

The ratio of milk to water in 60 liters mixture is $7: 3$. Find how much water should be mixed in the mixture so that quantity of milk becomes $33 \frac{1}{3} \%$ of resulting mixture?