Two numbers are respectively $12 \frac{1}{2} \%$ and $25 \%$ more than a third number. The first number as a percentage of the second number is

$A$ businessman imported laptops worth $Rs$ $210,000$,mobile phones worth $Rs$ $100,000$,and television sets worth $Rs$ $150,000$. He had to pay $10\%$ duty on laptops,$8\%$ on phones,and $5\%$ on television sets. How much total duty (in Rupees) did he have to pay on all items as per the above details?

Two numbers $A$ and $B$ are such that the sum of $5 \%$ of $A$ and $4 \%$ of $B$ is $\frac{2}{3}$ of the sum of $6 \%$ of $A$ and $8 \%$ of $B$. The ratio $A:B$ is

One side of a square is increased by $30 \%$. To maintain the same area,the other side will have to be decreased by:

Sonal spent $Rs. 45760$ on the interior decoration for her home,$Rs. 27896$ on buying an air conditioner,and the remaining $28 \%$ of the total amount she had as cash with her. What was the total amount?

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