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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।

MathematicsIf (S_n=31375), what is the value of (S_{n-12})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61ExpertMathematicsLet \(S_n\) denote the sum of the first n natural numbers. For \(n\geq2\), which relation represents the nth natural number added to the sum?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61ExpertMathematicsFind the sum of natural numbers from (181) to (240).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61ExpertMathematicsIf (S_n=15400), what will be the value of (S_n-S_{n-10})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61ExpertMathematicsIf (S_n=16290), what is the value of (S_{n-8})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61ExpertMathematicsIf the sum of the first n natural numbers is Sₙ = 25,425, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsWhat is (40%) of the sum of the first (125) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n-S_{n-1}=150), what will be (S_{n-1})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n=7626), what is the value of (S_{n+2})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n+S_{n-1}=1260) and (S_n-S_{n-1}=36), which is the value of (S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n=6903), what is the value of (S_{n+5}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsWhich of the following expressions represents the sum of the first n natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsWhat is the ratio of the sums of the first (120) and first (80) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n=1225), what will be the value of (S_{2n})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n-S_{100}=15150), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsHow much is the sum of natural numbers from (201) to (250)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n+S_{n-2}=10000) and (S_n-S_{n-2}=199), what will (S_n) be?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n=15400), what is the value of (S_{n-10})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_{3n}=1770), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n=20100), what will be the value of (S_n-S_{n-8})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert