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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 Sₙ + Sₙ₋₁ = 5625 and Sₙ − Sₙ₋₁ = 75, what is the value of Sₙ?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsWhat is the ratio of the sums of the first (84) and first (56) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsIf (S_n=2701), what will be the value of (S_{n+7}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsUnder which condition is the sum of the first n natural numbers a multiple of n?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsIf (S_{n+4}-S_{n-1}=485), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsIf (S_n-S_{n-6}=813), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsFor which type of positive integer \(n\) is the sum of the first \(n\) natural numbers exactly divisible by \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsIf Sₙ = n(n + 1)/2 and Sₙ = 7503, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersMedium 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 numbersExpert MathematicsIf (S_n-S_{n-1}=150), what will be (S_{n-1})?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsIf (S_n=7626), what is the value of (S_{n+2})?Class 9Sequences and ProgressionsSum of first n natural numbersExpert 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 numbersExpert 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 numbersExpert MathematicsIf (S_{n+1}-S_{n-2}=330), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsFind the sum of natural numbers from (151) to (225).Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsWhat is half of the sum of the first (144) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsIf (S_n-S_{n-3}=420), what is (n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsWhat is the sum of natural numbers from (63) to (150)?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsWhich of the following expressions represents the sum of the first n natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsIf (S_n=11325), what will be (S_n-S_{n-6})?Class 9Sequences and ProgressionsSum of first n natural numbersExpert