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Number Systems

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

MathematicsWhich whole number lies between \(\sqrt{11}\) and \(\sqrt{15}\)?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsIf \(\frac{m}{n}\) is a rational number and (n\ne0), what type of numbers are (m) and (n)?Class 9Number SystemsRational numbersLevel 19Expert MathematicsWhen can \(\sqrt{a}+\sqrt{b}=\sqrt{a+b}\) generally not be considered true?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhich number lies between (3) and (4)?Class 9Number SystemsNumber lineLevel 19Expert MathematicsWhat is the simplest form of \((\sqrt{32}+\sqrt{18})\)?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhich statement is correct about \(\frac{2}{7}\) and (0.285714285714...)?Class 9Number SystemsDecimal representationLevel 19Expert MathematicsWhich of the following conditions guarantees that \(x\) is irrational?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhich of the following numbers is irrational, yet can be represented by a unique point on the number line?Class 9Number SystemsNumber lineLevel 19Expert MathematicsIf \(\sqrt{x}\) is irrational and (5) is rational, what type of number will \(5\sqrt{x}\) generally be when (5\ne0)?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhat is the simplest form of \(\sqrt{27}+\sqrt{12}-\sqrt{3}\)?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhich option correctly describes (1.272727...)?Class 9Number SystemsGeneral chapter practiceLevel 19Expert MathematicsRavi says that if, in simplest form, a fraction has only 2 and 5 as prime factors of its denominator, then its decimal expansion terminates. Which of the following fractions is an example supporting his statement?Class 9Number SystemsDecimal representationLevel 19Expert MathematicsWhich option is correct about the decimal expansion of \(\frac{13}{2^2\times5\times7}\)?Class 9Number SystemsDecimal representationLevel 19Expert MathematicsIf \(x=2+\sqrt{3}\), what type of number is (x)?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhich of the following rational numbers has a terminating decimal expansion?Class 9Number SystemsDecimal representationLevel 19Expert MathematicsWhich option is the fractional form of (0.\overline{6})?Class 9Number SystemsDecimal representationLevel 19Expert MathematicsWhat is the value of (\(\sqrt{75}\div\sqrt{3}\))?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhat type of number is the decimal \(0.101001000100001\ldots\)?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhich number is greater than \(\sqrt{10}\) and less than \(\sqrt{17}\)?Class 9Number SystemsIrrational numbersLevel 19Expert MathematicsWhy is the decimal expansion of \(\frac{5}{6}\) not terminating?Class 9Number SystemsDecimal representationLevel 19Expert