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Class 9

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 expressions is a difference of squares of two binomials?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhat do we get by factorising (x^3+8)?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Expert MathematicsWhat is the factorised form of (4p^2+12pq+9q^2)?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Expert MathematicsWhat is the factorised form of (m^2-9)?Class 9Exploring Algebraic IdentitiesFactorisationLevel 75Easy MathematicsWhat is the correct factorised form of (u^2+u-42)?Class 9Exploring Algebraic IdentitiesFactorisationLevel 72Medium MathematicsFactorise (x^2+5x).Class 9Exploring Algebraic IdentitiesFactorisationLevel 72Medium MathematicsWhich of the following expressions represents the form of the difference of two squares identity?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsWhat is half of the sum of the first (144) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsThe sum of the first (n) natural numbers is (10878). What is the value of (n-25)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the sum of (58+59+60+\cdots+112)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the difference between the sums of the first (60) and first (40) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Hard MathematicsFind the sum of the first (75) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsWhat is the sum of (23+24+25+\cdots+34)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsIn a game, marks from (1) to (20) are scored in the first (20) stages, and (0) marks in the next (5) stages. What is the total score?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsThe sum of the first (57) natural numbers is equal to which value?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsIf (S_n=1176), what will be (S_{n-1})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the value of S₁₂ + S₁₃ + S₁₄, where S_n is the sum of the first n natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsIn the formula \(S_n=\frac{n(n+1)}{2}\) for the sum of the first n natural numbers, what does the factor \(n+1\) represent?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsIn class, numbers from (1) to (31) were written and their sum was asked. What is the correct answer?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsChoose the correct option for the sum of the first (33) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersLevel 63Easy