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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।

MathematicsWhat is the value of (2 + √3)/(2 − √3) after rationalising?Class 9Number SystemsReal NumbersLevel 2Hard MathematicsWhat is the product of (2+\sqrt{13}) and (2-\sqrt{13})?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat type of number is \(\sqrt{7}\times\sqrt{14}\)?Class 9Number SystemsIrrational numbersLevel 1Medium MathematicsWhat type of number is \(\sqrt{5}\times\sqrt{20}\)?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat type of number is √2 + √3?Class 9Number SystemsIrrational numbersLevel 2Hard MathematicsA student says, “\(\sqrt{18}\) is a rational number because 18 is an integer.” Which is the correct evaluation of this statement?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat type of decimal expansion does \(\frac{17}{125}\) have?Class 9Number SystemsDecimal representationLevel 1Medium MathematicsWhich statement is correct about the decimal expansion of \(\frac{3}{28}\)?Class 9Number SystemsDecimal representationLevel 1Medium MathematicsWhat is the correct statement about the decimal form of ( \frac{13}{40} )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA square has a side of \(\sqrt{2}\) cm. Which statement about its diagonal and perimeter is correct?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsIf 0.040040004... has no fixed repetition, what is it?Class 9Number SystemsIrrational numbersLevel 1Medium MathematicsWhat type of real number is the decimal \(1.232323\ldots\)?Class 9Number SystemsRational numbersLevel 1Medium MathematicsIf 0.12122122212222... is non-repeating, what type of number is it?Class 9Number SystemsIrrational numbersLevel 3Medium MathematicsWhich option is incorrect?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhich is greater between ( -\sqrt{20} ) and ( -4.4 )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsBetween which two consecutive integers does \(\sqrt{53}\) lie?Class 9Number SystemsIrrational numbersLevel 1Medium MathematicsBetween which two integers does ( \sqrt{26} ) lie?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student claims that the product of any two irrational numbers is always irrational. Which pair of numbers disproves this claim?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhich option is an irrational number between (2) and (3)?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the value of ( \sqrt{\frac{49}{100}}-\sqrt{\frac{4}{25}} )?Class 9Number SystemsReal NumbersLevel 1Medium