Properties of Rational Numbers

A mother and her two daughters got a room constructed for $\mathrm{Rs}. 62,000$. The elder daughter contributes $\frac{3}{8}$ of her mother's contribution while the younger daughter contributes $\frac{1}{2}$ of her mother's share. How much do the three contribute individually?

If $y$ be the reciprocal of rational number $x$, then the reciprocal of $y$ will be 

Can you find a rational number whose multiplicative inverse is $-1$ ?

Find the multiplicative inverse of

$3\frac{1}{3}$

Find the mulplicative inverse of

$-1\frac{1}{8}$

Zero has _____ reciprocal.

The reciprocal of a negative rational number is _____.

The reciprocal of a positive rational number is _____.

Which of the following is an example of distributive property of multiplication over addition for rational numbers?

The reciprocal of $\frac{-3}{8}\times \left(\frac{-7}{13}\right)$ is

The reciprocal of any rational number $\frac{\mathrm{p}}{\mathrm{q}}$, where $\mathrm{p}$ and $q$ are integers and $q\ne 0$, is

The reciprocal of $0$ is

The reciprocal of $-1$ is

The reciprocal of $1$ is

If $x$ be any rational number then $x+0$ is equal to

The multiplicative inverse of $-1\frac{1}{7}$ is

$-(-x)$ is same as

To get the product $1,$ we should multiply $\frac{8}{21}$ by

If $x+0=0+x=x,$ which is rational number, then $0$ is called

Multiplicative inverse of a negative rational number is