The present ages of Vishal and Shekhar are in the ratio of $14: 17$. $6 \, \text{years}$ from now,their ages will be in the ratio of $17: 20$. What is Shekhar's present age (in $\text{years}$)?

Ratio of the ages of Tania and Rakesh is $9:10$. $10 \text{ years}$ ago,the ratio of their ages was $4:5$. What is the present age of Rakesh (in $\text{years}$)?

Three times the present age of a father is equal to eight times the present age of his son. $8$ years hence,the father will be twice as old as his son at that time. What are their present ages?

The ratio of the present ages of $A$ and $B$ is $7:9$. $6$ years ago,the ratio of $\frac{1}{3}$ of $A$'s age at that time and $\frac{1}{3}$ of $B$'s age at that time was $1:2$. What will be the ratio of $A$'s to $B$'s age $6$ years from now?

$5 \, \text{years}$ ago, Mr. Sohanlal was thrice as old as his son, and $10 \, \text{years}$ hence, he will be twice as old as his son. Mr. Sohanlal's present age (in $\text{years}$) is:

The ratio of ages of Mohan and Madhu is $3:4$. After $8$ years,their age ratio becomes $4:5$. What are the present ages of Mohan and Madhu? (in years)