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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 algebraic identity is used to factorise a difference of two squares?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsWhich of the following expressions can be factorised using the identity \(a^2-b^2=(a-b)(a+b)\)?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsWhich of the following expressions can be written as a product of two binomials using the identity for the difference of squares?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsIn the expansion of which of the following identities is the middle term negative?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsWhich of the following identities represents the square of the difference of two terms?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsWhich of the following identities represents the factorisation of the difference of two squares?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsThe identity ( (p+q)(p-q) ) is equal to what?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsChoose the correct expansion of the identity ( (x-y)^2 ).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesLevel 65Easy MathematicsIf (S_n=2145), what will be the value of (S_{2n}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf (S_n=13041), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf (S_n-S_{n-2}=199), what will be the value of (S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf (S_n=11175), what will be (S_n-S_{n-4})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsHow much is the sum of natural numbers from (211) to (260)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf (S_n=8256), what will be (S_{n+5}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsWhat is the ratio of the sums of the first (128) and first (64) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsWhat is the value of (S_{120}-S_{80}+S_{40})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsWhat is the sum of natural numbers from (75) to (125)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf (S_{n+1}-S_{n-4}=695), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf (S_n-S_{n-4}=454), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf (S_n-S_{90}=5775), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert