A sum of money is divided among $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\mathrm{D}$ in the ratio of $5:8:9:11$ respectively. If the share of $\mathrm{B}$ is $\mathrm{Rs}.2475$ more than the share of $\mathrm{A}$, then what is the total amount of money of $\mathrm{A}$ and $\mathrm{C}$ together ?

A sum of money is divided among $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\mathrm{D}$ in the ratio $2:3:7:11$ respectively. If the share of $\mathrm{C}$ is $\mathrm{Rs}.2755$ more than the share of $\mathrm{A}$, then what is the total amount of money of $\mathrm{B}$ and $\mathrm{D}$ together?

If the total cost of four tube lights and three bulbs is $\mathrm{Rs}.260$ and the ratio between the cost of a tube light and a bulb is $5:2$ respectively, what is the total cost of one tube light and six bulbs ?

The number of employees in Companies $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ are in a ratio of $3:2:4$ respectively. If the number of employees in the three Companies is increased by $20\%,$ $30\%$ and $15\%$ respectively, what will be the new ratio of employees working in companies $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ respectively?