What can you say about the decimal representation of a rational number?

Write a decimal that is non-terminating and non-repeating.

To make a chocolate cake, Reena requires $2\frac{1}{2}\mathrm{kg}$ of maida, $\frac{4}{5}\mathrm{kg}$ of sugar and $\frac{3}{20}\mathrm{kg}$ of cocoa powder. Find the weight of the mixture when these three ingredients are mixed together.

From a cloth of length $5\frac{1}{4}\mathrm{m}$, Mohan cuts $2\frac{1}{2}\mathrm{m}$ to stitch a skirt. Find the length of the remaining piece of the cloth.

Rahul attempted $\frac{9}{10}$ of the total number of questions in an examination. If $\frac{3}{8}$ of the answers were wrong, what fraction of the attempted questions did he answer correctly?

A rational number is defined as a number that can be expressed in the form $\frac{p}{q}$, where $p$ and $q$ are _____ and $q\ne 0$.

In a rational number $\frac{-5}{7}$, the numerator is _____ and the denominator is $7$.

The number _____ is neither a positive nor a negative rational number.

To compare two _____ rational numbers, we compare them ignoring their negative signs and then reverse the order.