Shruti decided to donate $12 \%$ of her salary to an orphanage. On the day of donation,she changed her mind and donated $Rs. 3150$,which was $75 \%$ of what she had decided earlier. How much is Shruti's salary?

In an examination,it is required to get $256$ of the total maximum aggregate marks to pass. $A$ student gets $192$ marks and is declared failed. The difference between the marks obtained by the student and the marks required to pass is $10 \%$. What are the maximum aggregate marks a student can get?

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

If $12 \%$ of $x$ is equal to $6 \%$ of $y,$ then $18 \%$ of $x$ will be equal to how much per cent of $y$ ?

$16 \frac{2}{3} \%$ of $600 \, \text{gm} - 33 \frac{1}{3} \%$ of $180 \, \text{gm}$

$A$'s salary is $50 \%$ more than $B$'s. How much percent is $B$'s salary less than $A$'s?