Dr. Sanjeev Verma and R.K. Tyagi Solutions for Chapter: Fractional and Rational Numbers, Exercise 5: ASSIGNMENT 2.5

Which of the following is/are not rational number.

$\frac{-1}{2}, \frac{0}{1}, -7, \frac{1}{-7}, 0, \frac{2}{0}, \frac{5}{-6}, \frac{10}{0}$

Which of the given pairs of rational numbers is/are equivalent?

$\frac{10}{21}, \frac{50}{105}$

Which of the given pairs of rational numbers is/are equivalent?

$\frac{3}{7}, \frac{15}{28}$

Which of the given pairs of rational numbers is/are equivalent?

$\frac{-20}{24}, \frac{-80}{96}$

Find the value of $x$, if the pairs of rational numbers given below are equivalent:

$\frac{-5}{9}, \frac{10}{x}$

Find the value of $x$, if the pairs of rational numbers given below are equivalent:

$\frac{3}{7}, \frac{x}{42}$

Find the value of $x$, if the pairs of rational numbers given below are equivalent:

$\frac{x}{28}, \frac{5}{14}$

Find the value of $x$, if the pairs of rational numbers given below are equivalent:

$\frac{15}{x}, \frac{-6}{16}$