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

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 $\%$)?

$6 \frac{2}{3} \%$ expressed as a fraction in its lowest term is:

In an examination,it is required to get $35 \%$ of the aggregate marks to pass. Rishu got $216$ marks and was declared failed by $5 \%$ marks. What was the total marks?

$A$ number is increased by $20 \%$ and then decreased by $20 \%$. What is the final percentage change in the number?