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Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsWhich of the following properties identifies an irrational number?Class 9Number SystemsIrrational numbersLevel 13Medium MathematicsWhat type of number is \((\sqrt{81}+\sqrt{2})\)?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsWhich option contains only rational numbers?Class 9Number SystemsReal NumbersLevel 1Expert MathematicsWhich option contains only irrational numbers?Class 9Number SystemsReal NumbersLevel 1Expert MathematicsWhich number is both rational and an integer?Class 9Number SystemsRational numbersLevel 3Hard Mathematics(3+√2) belongs to which set?Class 9Number SystemsIrrational numbersLevel 3Medium MathematicsLet \(x=\sqrt{2}+\sqrt{3}\). Which classification of \(x\) and \(x^2\) is correct?Class 9Number SystemsReal NumbersLevel 2Hard MathematicsWhat type of number is \(\sqrt{3}\times\sqrt{21}\)?Class 9Number SystemsIrrational numbersLevel 2Medium MathematicsA square has a side length of 5 cm. What type of number is the length of its diagonal?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat type of number is \(\sqrt{5}\times\sqrt{20}\)?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student considers the number 0.101001000100001... to be rational because its decimal expansion consists of digits. Which is the correct evaluation of this conclusion?Class 9Number SystemsReal NumbersLevel 6Easy MathematicsWhich option contains two numbers that are both rational real numbers?Class 9Number SystemsRational numbersLevel 5Easy MathematicsWhich of the following real numbers is neither positive nor negative?Class 9Number SystemsReal NumbersLevel 4Easy MathematicsLet W = {x : x ∈ N and x is less than the smallest two-digit number}. What is its roster form?Class 9Number SystemsGeneral chapter practiceLevel 1Easy