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Sequences And Progressions

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

MathematicsIf (S_n-S_{n-6}=813), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf Sₙ = n(n + 1)/2 and Sₙ = 7503, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsLet \(S_n=1+2+3+\cdots+n\). Which expression represents the sum of the last 8 consecutive natural numbers ending at \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf 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 60Medium MathematicsWhat is the difference between the sum from (1) to (250) and the sum from (1) to (200)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsHow much more is the sum of the first (180) natural numbers than the sum of the first (179) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_{n+1}-S_{n-2}=330), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsFind the sum of natural numbers from (151) to (225).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is half of the sum of the first (144) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_n-S_{n-3}=420), what is (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_n=11325), what will be (S_n-S_{n-6})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsA student added numbers from (1) to (175) and then subtracted the sum from (1) to (125). What will be the result?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_{n+4}-S_n=490), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is the value of (S_{78}-S_{52}+S_{26}) for sums of the first (52), first (78), and first (26) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf S_n=7140, where S_n is the sum of the first n natural numbers, what is the value of S_(n+5)−S_n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Hard MathematicsIf S_n=8911, where S_n is the sum of the first n natural numbers, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsWhat is the difference between the sums of the first (180) and first (90) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_{n+1}-S_{n-4}=595), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is the ratio of the sums of the first (96) and first (72) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_n-S_{n-3}=348), what is the value of (S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert