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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 \(S_n\) is the sum of the first \(n\) natural numbers, which of the following statements is always true for every positive integer \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsAt which (n) will (S_n) first become greater than (20000)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the sum of \(121+122+123+\cdots+160\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Medium MathematicsFind the value of (S_{140}-S_{130}+S_{10}).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the sum of the first (175) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsIf \(S_n-S_{n-6}=621\), where \(S_k=1+2+\cdots+k\), what is the value of \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Medium MathematicsWhat is the value of (S_{70}+S_{71}-S_{69})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is (12.5%) of the sum of the first (96) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsIf (S_n=5460), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the value of \(S_{100}-2S_{50}\), where \(S_n=1+2+\cdots+n\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Medium MathematicsIf (S_{5p}=5050), what is the value of (p)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsFind the value of (S_{64}+S_{84}-S_{74}).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the sum of the first (108) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsIf \(S_n\) denotes the sum of the first \(n\) natural numbers, which of the following relations is always true?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the value of (S_{35}+S_{55}+S_{75})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsAt which (n) will (S_n) first become greater than (10000)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is obtained by subtracting the sum of the first (125) natural numbers from the sum of the first (150) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsIf (S_{m+2}-S_m=151), what is the value of (m)?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 MathematicsIf (S_a=2485) and (S_b=3570), what will be the value of (b-a)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard