The sum of two numbers is three times their difference. What is the ratio of the two numbers?

$A$ and $B$ together have ₹ $1210$. If $\frac{4}{15}$ of $A$'s amount is equal to $\frac{2}{5}$ of $B$'s amount,how much amount (in ₹) does $B$ have?

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 $years$):

When wheat is ₹ $13$ per $kg$,$75$ men can be fed for $15$ $days$ at a certain cost. How many men can be fed for $45$ $days$ at the same cost,when wheat is ₹ $1$ per $kg$?

The ratio of $4^{3.5} : 2^{5}$ is the same as:

If ₹ $126.50$ is divided among $A, B$ and $C$ in the ratio of $2: 5: 4$,the share of $B$ exceeds that of $A$ by (in ₹) (in $.50$)?