SSC GD MATHS QUIZ

Two containers of equal capacity contains milk and water in the ratio $7: 2$ and $5: 3$ respectively. If they are mixed up, the ratio of water to milk in the resulting solution is:

Three containers contain mixture of milk and water in the ratio $5: 3,2: 1$ and $7: 5$ respectively. All the three mixture are mixed in the ratio $4: 5: 6$. What is the ratio of water and milk in the final mixture?

A solution contains acid and water in the ratio 16 : a . When $450 \mathrm{ml}$ of this solution is mixed with 70 ml water, the ratio of acid and water becomes $4: 9$ what is the value of a?

In an alloy there is $24 \%$ of copper. To get 69 $\mathrm{kg}$ of copper. How much alloy will be required.

A vessel is filled with liquid, 3 parts of which are water and 5 parts are milk. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half milk.

Milk contains 5% water, what quantity of pure milk should be added to 10 liters of milk to reduce this to 2%?

A man mix two types of gold of 16 carat and 24 carat in the ratio of $3: 1 .$ What is carat of the new gold?

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 is replaced by

The ratio of milk and water in $55 \mathrm{~kg}$ of mixture is $7: 4 .$ The quantity of water must be added to make the ratio $7: 6$ is: