The ratio of two numbers is $2:3$. Their product is $600$. The numbers are

On solving $\frac{\mathrm{x}}{5}-1=0.04$ then $\mathrm{x}=?$

The angles of a triangle are in the ratio $1:2:6$. The triangle is

Solve for $\mathrm{x}$ and verify the result.

$3\left(\mathrm{x}+3\right)-2\left(\mathrm{x}-1\right)=5\left(\mathrm{x}-5\right)$

Solve for $\mathrm{x}$ and verify the result.

$0.3\mathrm{x}+0.4=0.28\mathrm{x}+1.16$

Solve for $\mathrm{x}$ and represent the value in fractional form: $\frac{\mathrm{x}-5}{2}+\frac{2}{5}-\frac{2\mathrm{x}}{7}=1$ 

Twenty-six years from now, i will be thrice my present age. What is my present age (in $\mathrm{years}$)?

Find two numbers such that one of them exceeds the other by $9$ and their sum is $81$.