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Rational Numbers

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

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 MathematicsNeha says, “Every non-terminating decimal expansion is irrational.” Which of the following examples proves her statement wrong?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhich square root is not irrational?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsRiya makes two statements about irrational numbers: Statement I: The sum of two irrational numbers is always irrational. Statement II: The product of a non-zero rational number and an irrational number is always irrational. Which option is correct?Class 9Number SystemsIrrational numbersLevel 16Easy MathematicsA student says that every non-terminating decimal is irrational. Which of the following numbers proves the statement wrong?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsA student says, “The sum of two irrational numbers is always irrational.” Which of the following examples proves the statement wrong?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsWhich option is a correct example of an irrational number?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsReema says that \(0.101001000100001\ldots\) is a rational number because it contains only the digits 0 and 1. Which statement correctly explains her error?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsWhat is the value of \(\left(\frac{\sqrt{12}}{\sqrt{3}}\right)\)?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsA student claims that every number with a non-terminating decimal expansion is irrational. Which of the following examples disproves the claim?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsMeena says that every non-terminating decimal is irrational. Which example proves her statement wrong?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsWhat type of number is 3.14?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsA student says that \(0.101001000100001\ldots\) is a rational number because its decimal expansion never terminates. Which statement correctly identifies the student's error?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsA student claims that \(0.101001000100001\ldots\) is rational because it contains only the digits 0 and 1. What is the correct correction?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsWhich of these numbers is not irrational?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsWhat is the result of \((\sqrt{2}\times\sqrt{2})\)?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsReema says, “A number with an infinite decimal expansion is always irrational.” Which example shows the error in her statement?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsWhat type of number is (0.121212\ldots)?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsWhich of these square roots is rational?Class 9Number SystemsIrrational numbersLevel 17Easy