If $50$ fewer candidates had applied and $25$ fewer had been selected,the ratio of selected to unselected candidates would have been $9:4$. How many candidates had applied if the initial ratio of selected to unselected candidates was $2:1$?

One year ago,the ratio between Ram's and Shyam's salaries was $3:5$. The ratios of their individual salaries of last year to the present year are $2:3$ and $4:5$ respectively. If their total salary for the present year is $Rs. 8600$,find the present salary of Ram (in $Rs.$)?

If the annual income of $A$,$B$,and $C$ is in the ratio $1:3:7$ and the total annual income of $A$ and $C$ is $Rs. 800,000$,then the monthly salary of $B$ (in $Rs.$) is: (in $,000$)

$A$ and $B$ together have ₹ $6300$. If $\frac{5}{19}$ of $A$'s amount is equal to $\frac{2}{5}$ of $B$'s amount,then the amount of $B$ is (in ₹):

The ratio of two numbers is $4:5$. If both numbers are increased by $4$,the ratio becomes $5:6$. What is the sum of the two numbers?

If $33 \%$ of $A$ is equal to $55 \%$ of $B$,then find the ratio of $A$ and $B$.