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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 the sum of the first (n) natural numbers is (3655), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62HardMathematicsWhat is 3 times the difference between S_48 and S_24?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsIf (S_n=6216), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsWhat is the value of S_200 - S_190?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61EasyMathematicsIf (S_{n+1}-S_{n-1}=151), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsFind the value of (S_{19}+S_{39}+S_{59}).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsIf (S_n=2926), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsWhich sum is obtained by adding 76 + 77 + 78 + 79 + 80 to S_75?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61EasyMathematicsIf S_n - S_{n-1} = 84 and S_m = 990, what is n - m?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsAt which (n) will (S_n) first become greater than (5000)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsIf S_n = 1830, what is the value of S_{n+10} - S_n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsIf (S_n-S_{n-5}=390), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsWhat is the value of (S_{58}+S_{59}-S_{57})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsWhat is (25%) of the sum of the first (88) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsIf (S_u=1225) and (S_v=2628), what is the value of (u+v)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsIf (S_n=4095), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsWhat is the value of (S_{25}+S_{35}+S_{45})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsFor which (n) will the sum of the first (n) natural numbers exceed (3000) for the first time?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsA staircase figure has (1275) blocks, and the (r)th row has (r) blocks. What is the number of rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61HardMathematicsFor which (n) will (S_n-S_{n-3}=144)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard