A K Upadhyay and S Upadhyay Solutions for Chapter: Number System, Exercise 5: Multiple Choice Questions

By what number should $(-6{)}^{-1}$ be multiplied to get the products as $(15{)}^{-1}$?

Which of the following is a rational number?

Which of the following is a rational number?

$0$ is a

Every integers are

Every rational numbers are:

An irrational numbers between $\sqrt{3}$ and $\sqrt{5}$ is

If ${10}^{2y}=25$, then ${10}^{-y}$ is equal to: