$A$ sum of money is to be distributed among $A, B, C, D$ in the proportion of $5: 2: 4: 3$. If $C$ gets $Rs. 1000$ more than $D$,what is $B$'s share (in $Rs.$)?

Find the triplicate ratio of $7:5$.

Arti has coins of the denomination of $Rs. 1$,$50 \text{ paise}$,and $25 \text{ paise}$ in the ratio of $12: 10: 7$. The total worth of the coins she has is $Rs. 75$. Find the number of $25 \text{ paise}$ coins.

The fourth proportional to $5, 8, 15$ is

The sides of a triangle are in the ratio $1/2 : 1/3 : 1/4$ and its perimeter is $156 \text{ cm}$. The length of the largest side is (in $\text{cm}$):

Salaries of Ravi and Sumit are in the ratio $2:3$. If the salary of each is increased by $Rs. 4000$,the new ratio becomes $40:57$. What is Sumit's salary (in $Rs.$)?