Convert the given fraction into decimal fraction and percentage.

$\frac{7}{25}$

Convert the given fraction into decimal fraction and percentage.

$\frac{7}{15}$

Convert the given fraction into decimal fraction and percentage.

$\frac{8}{35}$

Convert the given decimal fraction into fraction and percentage.

$0.25$

Convert the given decimal fraction into fraction and percentage.

$0.135$

$30$ students of my class were present. Total number of students in our class is $60$. Let's find what percent of students have come to my class. Also, $25\%$ of students were absent yesterday. Find the number of students absent.