A K Upadhyay and S Upadhyay Solutions for Chapter: Number System, Exercise 1: EXERCISE 1.1

Find three rational numbers between $\frac{3}{5}\text{ and }\frac{4}{5}\text{.}$

Write true or false against the following statement:

Every Natural number are whole numbers.

Write true or false against the following statements:

Every Whole numbers are natural number.

Write True or False against the following statements:

Every integers are whole numbers.

Simplify
$\left(5-\sqrt{2}\right)\left(5+\sqrt{2}\right)$

Simplify
$\left(6-2\sqrt{2}\right)\left(6+2\sqrt{2}\right)$

Simplify
$\left(\sqrt{5}+2\sqrt{6}\right)\left(\sqrt{5}-2\sqrt{6}\right)$

Simplify
$\left(\sqrt{15}+\sqrt{11}\right)\left(\sqrt{15}-\sqrt{11}\right)$