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Which statement is not correct?

Answer and explanation

Correct answer: Every irrational number is a rational number

Irrational numbers are not rational numbers, so statement C is incorrect. A rational number can be written in the form \(p/q\), where \(p\) and \(q\) are integers and \(q\ne0\). Integers, natural numbers, and whole numbers are all included in the set of real numbers. Exam tip: Remember the inclusion order: natural ⊂ whole ⊂ integers ⊂ rational ⊂ real.

Related tags

Real NumbersRational NumbersIrrational NumbersNumber SystemsClassificationMathematicsClass 9 Mcq

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