Skip to content

Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

RELATED QUESTIONS

Irrational Numbers

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 statements about decimal expansions is correct?Class 9Number SystemsReal NumbersLevel 3Medium MathematicsA student says that \(0.101001000100001\ldots\) is a rational number because its decimal expansion contains only the digits 0 and 1. Which statement correctly explains the student's error?Class 9Number SystemsReal NumbersLevel 3Medium MathematicsRavi says that \(\frac{7}{24}\) is an irrational number because its decimal expansion is non-terminating. What is the error in Ravi's statement?Class 9Number SystemsReal NumbersLevel 3Medium MathematicsA student writes: \(\sqrt{2}+\sqrt{8}=\sqrt{10}\). Which is the correct evaluation of this statement?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat type of number is \(\sqrt{3}\times\sqrt{21}\)?Class 9Number SystemsIrrational numbersLevel 2Medium MathematicsA student considers the number \(0.101001000100001\ldots\) rational because its decimal expansion does not terminate. What is the correct conclusion about this number?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsA student calls the number \(0.101001000100001\ldots\) rational because it contains only the digits 0 and 1. Which conclusion about this number is correct?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsA square has a side length of 5 cm. What type of number is the length of its diagonal?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsA square tile has a side length of 1 cm. According to the Pythagorean theorem, its diagonal is \(\sqrt{2}\) cm. Which statement about this length is correct?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsIf 0.2020020002... has no fixed repetition, what type of number is it?Class 9Number SystemsExponentsLevel 3Medium MathematicsWhat is the rationalised form of \(\frac{6}{\sqrt{7}}\)?Class 9Number SystemsIrrational numbersLevel 2Medium MathematicsA student simplifies \\(\sqrt{50}\\) as \\(5\sqrt{2}\\) and calls it an irrational number. Which evaluation of the student's conclusion is correct?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsA student calls the number 0.101001000100001... rational because its decimal expansion is infinite. What should the correct conclusion be?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student says that \(0.101001000100001\ldots\) is a rational number because it contains only the digits 0 and 1. Which statement correctly explains the student's error?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat type of number is \(\sqrt{7}\times\sqrt{14}\)?Class 9Number SystemsIrrational numbersLevel 1Medium MathematicsWhat type of number is √2 + √3?Class 9Number SystemsIrrational numbersLevel 2Hard MathematicsA student says, “\(\sqrt{18}\) is a rational number because 18 is an integer.” Which is the correct evaluation of this statement?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA square has a side of \(\sqrt{2}\) cm. Which statement about its diagonal and perimeter is correct?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsIf 0.040040004... has no fixed repetition, what is it?Class 9Number SystemsIrrational numbersLevel 1Medium MathematicsIf 0.12122122212222... is non-repeating, what type of number is it?Class 9Number SystemsIrrational numbersLevel 3Medium