The ratio $5: 4$ expressed as a percentage is: (in $\%$)

Amit's monthly income is $30 \%$ more than that of Raunaq. Raunaq's monthly income is $20 \%$ less than that of Deepak. If the difference between the monthly incomes of Amit and Deepak is ₹ $800$,what is the monthly income of Raunaq?

The sum of two numbers is $2490$. If $6.5\%$ of one number is equal to $8.5\%$ of the other,then the numbers are:

Express $8 \frac{1}{3} \%$ as a fraction.

Two numbers are respectively $20 \%$ and $30 \%$ less than a third number. What is the second number as a percentage of the first?

If $A$ is $20 \%$ more than $360,$ then what is the value of $A$?