The sum of the ages of two brothers, having a difference of $8 \, \text{years}$ between them, will double after $10 \, \text{years}$. What is the ratio of the age of the younger brother to that of the elder brother?

The ratio between the present ages of $P$ and $Q$ is $5: 7$. If the difference between $Q$'s present age and $P$'s age after $6$ $years$ is $2$,what is the sum of ages of $P$ and $Q$ at present? (in $years$)

The ratio of the present age of Manoj to that of Wasim is $3:11$. Wasim is $12 \text{ years}$ younger than Rehana. Rehana's age after $7 \text{ years}$ will be $85 \text{ years}$. What is the present age of Manoj's father,who is $25 \text{ years}$ older than Manoj? (in $\text{years}$)

The ages of $A, B$ and $C$ together is $185$ years. $B$ is twice as old as $A$ and $C$ is $17$ years older than $A$. Then,the respective ages of $A, B$ and $C$ are (in years):

The ratio between the present ages of $Ram$,$Rohan$,and $Raj$ is $3: 4: 5$. If the average of their present ages is $28$ years,then what will be the sum of the ages of $Ram$ and $Rohan$ together after $5$ years? (in years)

Eighteen $years$ ago,the ratio of $A$'s age to $B$'s age was $8: 13$. Their present ages are in the ratio $5: 7$. What is the present age of $A$ (in $years$)?