Ratio

Two numbers are in the ratio of $12$ and $19$. If the sum of these two numbers is $217$, the value of the smallest number is:

The sum of two numbers is $70$ and their difference is $16$. Ratio of these two numbers is:

If $76$ is divided into the ratios of $7, 5, 3$ and $4$ then the smallest part will be:

If $\mathrm{x} : \mathrm{y} : : 5 : 2$, then $8\mathrm{x} + 9\mathrm{y} : 8\mathrm{x} + 2\mathrm{y}$ is equal to:

A number is divided into parts such that the sum of $5$ times of the first part and $18$ times of the second part is equal to $7$ times of the number. The ratio of two parts is:

The ratios of milk and water in four solutions are $1 : 2, 2: 3, 3 : 2$ and $7 : 8$ respectively. If their equal quantities are mixed together then the ratio of milk and water in the new solution will be:

$\frac{3}{7}$ of $\frac{7}{8}$ of a number is equal to the$25\%$ of $45\%$of another number. The ratio of first number and second number is: 

A bag contains one rupee, fifty paise and $25$ paise coins in the ratio of $2 : 3 : 4$. If the total amount is $₹. 180$, the number of fifty paise coins is:

 If $\mathrm{a} : \mathrm{b} = 2 : 3$, $\mathrm{b} : \mathrm{c} = 4 : 5$ and $\mathrm{c} : \mathrm{d} = 6 : 7$, then $\mathrm{a} : \mathrm{d}$ is equal to: 

In a factory, the ratio of male workers to female workers was $5: 3$. If the number of female workers was less by $40$, the total number of workers in the factory was:

Two numbers are such that the ratio between them is $3 : 5$ but if each is increased by $10$, the ratio between them becomes $5 : 7$. The numbers are: 

The ratio between the ages of Gayatri and Savitri is $6 : 5$ and the sum of their ages is $44$ years. The ratio of their ages after $8$ years will be:

The weight of a $13$ metres long iron rod be $23.4 \mathrm{kg}$. The weight of $6$ metres long of such rod will be: 

The prices of a scooter and a television set are in the ratio $3 : 2$. If a scooter costs $₹.6000$ more than the television set, the price of the television set is: 

The proportion of zinc and copper in a brass piece is $4 : 5$. How much zinc will be there in $180 \mathrm{kg}$ of such a piece?

In a mixture of $60$ litres, the ratio of ethanol to ether is $4:1$. How much ether must be added to the mixture to make this ratio $2:1?$

The ratio of males and females of a village is $5:3$. If there are $800$ males in the village, females are:

What should be added to each of the numbers $12, 30, 40$ and $86$ so that they are in proportion?

Two numbers are in the ratio $2 : 3$. If $5$ is added to each number, the ratio becomes $5 : 7$. The bigger number is:

If $\mathrm{a}+\mathrm{b} : \mathrm{b}+\mathrm{c} : \mathrm{c}+\mathrm{a}=6 : 7 : 8$ and $\mathrm{a}+\mathrm{b}+\mathrm{c}=14$, then the value of $\mathrm{c}$ is: