R. D. Sharma Solutions for Chapter: Rational Numbers, Exercise 7: OBJECTIVE TYPE QUESTIONS

What is the multiplicative identity element in the set of whole numbers?

Which of the following is not zero?

The whole number nearest to $457$ and divisible by $11$ is

If $-\frac{3}{8}$ and $\frac{x}{-24}$ are equivalent rational numbers, then $x=$

If $\frac{27}{-45}$ is expressed as a rational number with denominator $5$, then the numerator is

Which of the following pairs of rational numbers are on the opposite sides of the zero on the number line?

The rational number equal to $\frac{2}{-3}$ is

If $-\frac{3}{4}=\frac{6}{x}$, then  $x=$