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

MathematicsWhat is the value of ( \sqrt{\frac{9}{16}}+\sqrt{\frac{25}{36}} )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student classifies the number 0.101001000100001... as rational because it contains only the digits 0 and 1. Evaluate this claim correctly.Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA square tile has a side length of 1 metre. What will be the length of its diagonal, and what type of number is it?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student claims that the sum of two irrational numbers is always irrational. Which of the following examples disproves this statement?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student claims that the sum of two irrational numbers is always irrational. Which of the following examples disproves this claim?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhich of the following statements correctly describes the decimal expansion of irrational numbers?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsReema says that the decimal number 0.101001000100001... is rational because it uses only the digits 0 and 1. Which is the correct evaluation of her statement?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsChoose the correct simplified form of ( \sqrt{45}+\sqrt{80}-\sqrt{20} ).Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the simplified form of ( \sqrt{45}+\sqrt{80}-\sqrt{20} )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhich of the following numbers has a decimal expansion that is neither terminating nor recurring?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the rationalised form of ( \frac{1}{\sqrt{6}+\sqrt{5}} )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the rationalised form of ( \frac{7}{2\sqrt{3}} )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the rationalised form of \(\frac{4}{\sqrt{5}}\)?Class 9Number SystemsIrrational numbersLevel 1Medium MathematicsThe area of a square is 18 cm². Which option correctly gives its side length and perimeter?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student claims that \(\sqrt{2}+\sqrt{8}=\sqrt{10}\) because the numbers inside square roots can be added when adding square roots. Which is the correct evaluation of this claim?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the simplified form of ( (5-\sqrt{6})^2 )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the expansion of \((2+\sqrt{7})^2\)?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the value of ( \sqrt{3}(2+\sqrt{3}) )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA square garden has an area of 2 square metres. Which statement correctly gives the length of its side and identifies it as rational or irrational?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the simplified form of (3\sqrt{8}+2\sqrt{18})?Class 9Number SystemsReal NumbersLevel 1Medium