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Irrational Numbers

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

MathematicsA student says that \(0.101001000100001\ldots\) is a rational number because it contains only the digits 0 and 1. Which is the correct correction to the student's statement?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhat type of number is (\sqrt{\frac{7}{4}})?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsIf a number has decimal (4.10110111011110\ldots), what is it?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhich statement is correct about (22/7)?Class 9Number SystemsRational numbersLevel 18Easy MathematicsWhat type of number is π + 2?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhich option is a rational number?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsHow can (\frac{1}{\sqrt{3}}) be written after removing the radical from the denominator?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsRiya says that the number 0.101001000100001… is rational because it contains only the digits 0 and 1. Which option correctly evaluates Riya’s statement?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhat is the simplified form of (\sqrt{80}-\sqrt{45})?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhich is the simplified form of (\sqrt{12}+\sqrt{75})?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhat is the simplified form of \((\sqrt{7}+\sqrt{7})\)?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhat type of number is (6-\sqrt{2})?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhich of these is an irrational number between 1 and 3?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhile locating \(\sqrt{5}\) on the number line, which conclusion about its position and type is correct?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsA student says that \(0.101001000100001\ldots\) is a rational number because it contains only the digits 0 and 1. Which option correctly explains the student's error?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsA student says, “The decimal expansion of every irrational number is non-terminating and non-repeating.” How is this statement?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsRavi says that \(\sqrt{49}\) is an irrational number because it has a square-root sign. Which statement correctly corrects Ravi’s error?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsA student claims that every non-terminating decimal is irrational. Which of the following numbers disproves this claim?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhich number definitely lies between (\sqrt{10}) and (\sqrt{11})?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsNeha says, “Every non-terminating decimal expansion is irrational.” Which of the following examples proves her statement wrong?Class 9Number SystemsIrrational numbersLevel 18Easy