$37 \frac{1}{2} \%$ of $₹ 48$ is:

If the numerator of a fraction is increased by $150 \%$ and the denominator of the fraction is increased by $350 \%,$ the resultant fraction is $\frac{25}{51},$ what is the original fraction?

If $A$'s salary is $30\%$ more than that of $B$,then by how much percent is $B$'s salary less than that of $A$ (in $\%$)?

If $35 \%$ of $A$'s income is equal to $25 \%$ of $B$'s income,then the ratio of $A$'s income to $B$'s income is

An $HR$ Company employs $4800$ people,out of which $45 \%$ are males and $60 \%$ of the males are either $25$ years or older. How many males are employed in the company who are younger than $25$ years?

The price of petrol went up by $20 \%$. In order to keep expenses the same,Ram must reduce travel by: (in $\%$)