Express the following fraction as percentage: $\frac{17}{20}$

Express the following fraction as percentage: $\frac{3}{10}$

Express the following fraction as percentage: $\frac{8}{200}$

Express the following fraction as percentage: $\frac{5}{12}$ (write answer in mixed fraction)

Express $14$ as a percentage of $35$.

Express $3.5$ as a percentage of $14$.

Express $17$ as a percentage of $63$. (Round off answer up to two decimal places)

Jack scores $\frac{19}{24}$ in a test. What percentage of marks did Jack get? (Round off answer up to decimal places)