SSC MATHEMATICS MIXTURE AND ALLIGATION QUIZ 7

Milk contains 6% water, what quantity of pure milk should be added 20 liters of milk to reduce this to $4 \%$

A solution contain acid and water in the ratio of $8: 10$. If $20 \%$ of the solution is replaced by water, them what will be the ration of acid and water in the new solution.

How much rice (in kg ) costing Rs 68 per kg is mixed with 24 kg of another rice costing Rs. 86 per kg in such a way that mixture is sold at Rs. 88per kg and get 10 % profit.

Atul has Stolen 10 liter of milk from a container and replaced with the same quantity of water. He again repeated this process 2 times. Thus the ratio of the milk become $343: 729$. Find the initial amount of milk in the container.

What rate of $65 \mathrm{~kg}$ rice should be mixed with $25 \mathrm{~kg}$ rice of $3.15$ per $\mathrm{kg}$, So that by selling the mixture at Rs. $2.25$ per $\mathrm{kg}$, there is a gain of $10 \%$.

In what ratio, sugar costing Rs. 60 per kg be mixed with sugar costing 40 per kg such that be selling the mixture at Rs. 56 per kg as there is a gain of $12 \%$ ?

The ratio of copper to zinc in alloys $P$ and $Q$ are $3: 4$ and $5: 9$, respectively. $P$ and $Q$ are taken in the ratio $2: 3$ and melted to form a new alloy $R$. What is the ratio of copper to zinc in $R$.

50 liters of a mixture contain $30 \%$ of sprit and rest water. If 5 litres of water be mixed in it, the percentage of sprit in the new mixture is.

There is a mixture of milk and water of 100 liter. 1/5th part of this mixture is milk. If 20 liter mixture and taken out and 'a' liter milk is added to this mixture and the ration was reversed, then 'b' liter water was added to this mixture than again the ratio was reversed. Find the value of (b - 3a).

A mixture contains $80 \%$ acid and rest water part of mixture to be removed and replaced by same amount of water to make the ratio of water to Acid $4: 3$ is.