One-fifth of a number is $62$. What will $73\%$ of that number be?

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

$? \times 15 = 37.5 \%$ of $220$

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?

Ram borrowed $Rs. 725$ from Shyam at the beginning of a year at a certain rate of interest. After $8$ months,he again borrowed $Rs. 362.50$ at a rate of interest double that of the former sum. At the end of the year,the total interest on both loans is $Rs. 43.50$. Find the first rate of interest per annum.

In an examination,there were $2000$ candidates,out of which $900$ candidates were boys and the rest were girls. If $32 \%$ of the boys and $38 \%$ of the girls passed,then the total percentage of failed candidates is: