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

1. Choose the correct answer

Question:

3 m.

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

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

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

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

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

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

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