The ratio of the present ages of Suresh and Mahesh is $7:5$. If after $6$ years their ages will be in the ratio of $4:3$,the present age of Mahesh is (in $years$):

$A$ sum of $Rs. 86700$ is to be divided among $A, B$ and $C$ in such a manner that for every rupee that $A$ gets,$B$ gets $90$ paise and for every rupee that $B$ gets,$C$ gets $110$ paise. $B$'s share will be (in $Rs.$):

What number should be added to or subtracted from each term of the ratio $17: 24,$ so that it becomes equal to $1: 2?$

What is the fourth proportional to $24, 120$ and $22$?

Two numbers are in the ratio of $5: 8$. If $12$ is added to each,they are in the ratio of $3: 4$. Find the sum of the two numbers.

The ratio between the present ages of $A$ and $B$ is $5:3$ respectively. The ratio between $A$'s age $4$ years ago and $B$'s age $4$ years hence is $1:1$. What is the ratio between $A$'s age $4$ years hence and $B$'s age $4$ years ago?