Monicaa Abhijit Solutions for Chapter: Rational Numbers, Exercise 13: EXEMPLAR PROBLEMS

The numerical expression $\frac{3}{8}+\frac{\left(-5\right)}{7}=\frac{-19}{56}$ shows that

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

The negative of a negative rational number is always a _____ rational number.

$\frac{-7}{2}$ lies between $-3$ and $-4$.

If$x+y=0,$ then $-y$ is known as the negative of $x$, where $x$ and $y$ are rational numbers.

$\frac{1}{6}$ of the class students are above average.$\frac{1}{4}$ are average and rest are below average. If there are $48$ students in all, how many students are below average in the class?

Find two rational numbers whose absolute value is $\frac{1}{5}$.

A skirt that is $35\frac{7}{8} \mathrm{cm}$ long has a hem of $3\frac{1}{8} \mathrm{cm}$. How long will the skirt be if the hem is let down?