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How can the number 1 be written as a rational number?

Answer and explanation

Correct answer: \(\frac{2}{2}\)

A rational number is written in the form \(\frac{p}{q}\), where \(p\) and \(q\) are integers and \(q\neq 0\). Since \(\frac{2}{2}=1\), option A is correct. \(\frac{0}{1}=0\), \(\frac{3}{4}\neq 1\), and \(\frac{1}{0}\) is undefined. Exam tip: 1 can be written as \(\frac{n}{n}\) for any non-zero integer \(n\).

Related tags

Rational NumbersClass 9Number SystemsRational FormMathematicsClass 9 Mcq

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