UP POLICE MATHS QUIZ

Attempt now to get your rank among 217 students!

Question 1:

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:

Question 2:

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:

Question 3:

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?

Question 4:

A solution contains acid and water in the ratio of $4: 5 .$ If $20 \%$ of the solution is replaced by water, then what will be the ratio of acid and water in the new solution?

Question 5:

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-

Question 6:

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?

Question 7:

40 liters of a mixture contains $20 \%$ alcohol and the rest water. If 4 liters of water be mixed in it, the percentage of alcohol in the new mixture will be?

Question 8:

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 9:

If the ratio of alcohol and water in a mixture of 85 litres is 11 ∶ 6. How much water should be added to make the ratio 5 ∶ 3?

Question 10:

In a mixture of 55 L. the ratio of milk and water is 7:4. What will be the amount of water to be added to make the ratio 7:6?