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Class 9 Mathematics

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 correctly describes the decimal expansion of an irrational number?Class 9Number SystemsIrrational numbersEasy MathematicsA student says that \(0.101001000100001\ldots\) is rational because it contains only the digits 0 and 1. Which conclusion is correct?Class 9Number SystemsIrrational numbersEasy 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 numbersEasy MathematicsWhich statement is correct about (22/7)?Class 9Number SystemsRational numbersEasy 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 numbersEasy 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 numbersEasy MathematicsA student says, “The decimal expansion of every irrational number is non-terminating and non-repeating.” How is this statement?Class 9Number SystemsIrrational numbersEasy MathematicsNeha says, “Every non-terminating decimal expansion is irrational.” Which of the following examples proves her statement wrong?Class 9Number SystemsIrrational numbersEasy MathematicsReema says that \(0.101001000100001\ldots\) is a rational number because it contains only the digits 0 and 1. What is the correct evaluation of Reema’s statement?Class 9Number SystemsIrrational numbersEasy MathematicsIf the area of a square is (11) square units then what type of number will its side be?Class 9Number SystemsIrrational numbersEasy 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 numbersEasy MathematicsA number has the decimal expansion \(0.101001000100001\ldots\), in which the number of zeros between successive 1s keeps increasing. What type of number is it?Class 9Number SystemsIrrational numbersEasy MathematicsRiya says that \(0.101001000100001\ldots\) is a rational number because it contains only the digits 0 and 1. What is the correct evaluation of Riya’s statement?Class 9Number SystemsIrrational numbersEasy MathematicsRiya says that \(0.101001000100001\ldots\) is a rational number because its decimal expansion does not terminate. Which is the correct evaluation of Riya’s statement?Class 9Number SystemsIrrational numbersEasy MathematicsWhat type of number is (0.121212\ldots)?Class 9Number SystemsIrrational numbersEasy MathematicsRiya says that the sum of two irrational numbers is always irrational. Which of the following examples proves her statement wrong?Class 9Number SystemsIrrational numbersEasy MathematicsWhich property does the decimal expansion of an irrational number have?Class 9Number SystemsIrrational numbersEasy MathematicsWhich number is called an irrational number?Class 9Number SystemsIrrational numbersEasy MathematicsWhich of the following decimal expansions identifies an irrational number?Class 9Number SystemsIrrational numbersEasy MathematicsWhich of the following properties is true for every irrational number?Class 9Number SystemsIrrational numbersEasy