$\frac{5}{8}$ is the rational number between $\frac{3}{4}$ and $\frac{1}{2}$. Which of the following is not a rational number between $\frac{3}{4}$ and $\frac{1}{2}$?

Find the product of $\frac{3}{7}$ and reciprocal of $\frac{2}{7}+\frac{1}{14}$.

What should be added to $\left(\frac{1}{3}+\frac{1}{4}-\frac{1}{5}\right)$ to get $4$?

The product of three rational numbers is $\left(\frac{-4}{11}\right).$ If two of the numbers are $\left(\frac{-2}{3}\right)$ and $\left(\frac{-1}{11}\right)$, then find the third number.

Find the integer $x$ such that $\frac{3}{8}$ and $\frac{x}{\left(-24\right)}$ are equivalent fractions.

The sum of $\frac{7}{-3}$ and $\frac{5}{-6}$ is equal to the product of $\frac{-4}{11}$ and a number. Find the number.

The reciprocal of the sum of the reciprocals of $\frac{-11}{13}$ and $\frac{-2}{3}$ is

$\frac{3}{4}-\frac{4}{5}$ is not equal to

Divide the sum of $\frac{-12}{5}$ and $\frac{-18}{15}$ by their difference.