Three numbers are in the ratio of $3:2:5$ and the sum of their squares is $1862$. The smallest of these numbers is:

Find the value of $x$ in the following proportion: $27: 72 :: x: 8$

The ratio of three numbers is $3:4:5$ and the sum of their squares is $1250$. The sum of the numbers is:

If $A$ and $B$ are in the ratio $4:5$ and the difference of their squares is $81,$ what is the value of $A?$

The salaries of $A, B, C$ are in the ratio $2: 3: 5$. If increments of $15\%, 10\%,$ and $20\%$ are allowed respectively in their salaries,then what will be the new ratio of their salaries?

If $3A = 4B = 5C$,then $A : B : C$ is