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Perfect Squares

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

MathematicsRiya says that \(\sqrt{n}\) is irrational for every natural number n. Which of the following examples proves her statement wrong?Class 9Number SystemsIrrational numbersLevel 15Medium MathematicsFor a natural number \(n\), what is the correct criterion for \(\sqrt{n}\) to be irrational?Class 9Number SystemsIrrational numbersLevel 14Medium MathematicsWhile locating \(\sqrt{5}\) on the number line, which conclusion about its position and type is correct?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 MathematicsWhich square root is not irrational?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsIf the area of a square is (11) square units then what type of number will its side be?Class 9Number SystemsIrrational numbersLevel 18Easy MathematicsWhich of these square roots is rational?Class 9Number SystemsIrrational numbersLevel 17Easy MathematicsRavi says that \(\sqrt{49}\) is irrational because it has a square-root sign. Which statement correctly explains his error?Class 9Number SystemsIrrational numbersLevel 16Easy MathematicsIf (e^2=1849) then what is the positive value of (e)?Class 9Number SystemsExponentsLevel 5Hard MathematicsIf (a^2=1521) then what is the positive value of (a)?Class 9Number SystemsExponentsLevel 5Hard MathematicsIf (c^2=961) then what is the positive value of (c)?Class 9Number SystemsExponentsLevel 4Hard MathematicsWhat is the value of \(12^2 + 13^2\)?Class 9Number SystemsExponentsLevel 4Hard MathematicsIf (a^2=729) then what is the positive value of (a)?Class 9Number SystemsExponentsLevel 4Hard MathematicsIf (g^2=625) then what is the positive value of (g)?Class 9Number SystemsExponentsLevel 6Medium MathematicsIf (d^2=529) then what is the positive value of (d)?Class 9Number SystemsExponentsLevel 6Medium MathematicsIf (b^2=256) then what is the positive value of (b)?Class 9Number SystemsExponentsLevel 6Medium MathematicsIf (y^2=441) then what is the positive value of (y)?Class 9Number SystemsExponentsLevel 5Medium MathematicsIf (x^2=144) then what is the positive value of (x)?Class 9Number SystemsExponentsLevel 5Medium MathematicsWhat is the value of (61^2)?Class 9Number SystemsExponentsLevel 9Easy MathematicsIf (x=\sqrt{441}+\sqrt{324}), what is (x)?Class 9Number SystemsReal NumbersLevel 3Expert