Sign up

Terms and Conditions

Subjects
Maths CBSE Homework Assignments
Class 8
Real numbers
Properties of rational number VII

1. Choose the correct answer

Task:

3 m.

1. To get the product \(1\), we should multiply \(\frac{8}{21}\) by

\(\frac{8}{21}\)
\(\frac{-8}{21}\)
\(\frac{-21}{8}\)
\(\frac{21}{8}\)

2. \(-(-x)\) is same as

\(x\)
\(\frac{1}{x}\)
\(-x\)
\(\frac{-1}{x}\)

3. If \(x\) be any rational number then \(x + 0\) is equal to

\(x\)
not defined
\(-x\)
\(0\)

Login or Fast registration

Exit to the topic

Did you find an error?

Copyright © 2025 YaClass Tech Private Limited Contacts Terms and Conditions Privacy Policy