In an examination,a candidate obtains $25\%$ marks and fails by $45$ marks,while another candidate obtains $46\%$ marks and passes by $15$ marks. What are the passing marks?

$A$ number $x$ is $125 \%$ of $y$. To compute $y$,the number $x$ has to be multiplied by:

$A$ clerk received an annual salary of $Rs$ $3,660$ in the year $1975$. This was $20\%$ more than his salary in $1974$. What was his salary in $1974$?

The $75 \%$ of a number is $380$ more than $35 \%$ of the same number. What is $20 \%$ of that number?

In the last financial year,a car company sold $41,800$ cars. In this year,the target is to sell $51,300$ cars. By what percent must the sale be increased?

In an examination,$52 \%$ of the candidates failed in English and $42 \%$ failed in Mathematics. If $17 \%$ failed in both the subjects,then the percentage of candidates,who passed in both the subjects,was