SSC GD MATHS QUIZ

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

A vessel contains 60 liter of mixture of milk and water in which percentage of water is $30 \%$. How much water should be added to it so that percentage of water becomes $40 \%$.

Distribute Rs.440 among 80 students such that each boy gets Rs.6 and each girl gets Rs.4. Find the possible number of boys-

A trader mixes 15 kg of rice at Rs. 45 per kg with 25 kg of rice of other variety at Rs. 35 per kg and sells the mixture at Rs. 40 per kg. Find his profit or loss percent.

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

Two alloys A and B have silver and copper in the ratio 5 : 1 and 7 : 2 respectively. In what ratio should they be mixed for 80% silver in the mixture?

A mixture of 100 liters of wine and water contains 60 percent wine. How much water must be added to make it $50 \%$ wine in the new mixture -

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.

A mixture of liquids A and B in a jar is in the ratio of 4 ∶ 1. If 10 liters are taken out of that mixture and the same amount of liquid B is added in its place, then the ratio of the mixture will be 2 ∶ 3. Accordingly, what was the amount of liquid A in the initial mixture in the jar?