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Mathematics

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

MathematicsIf (S_y=4950), what will be the value of (S_{y+1})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsWhat is 3 times the difference between S_48 and S_24?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the value of S_200 - S_190?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Easy MathematicsThe sum of the first (n) natural numbers is (4656). What is the value of (n-10)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsWhich sum is obtained by adding 76 + 77 + 78 + 79 + 80 to S_75?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Easy MathematicsIf S_n - S_{n-1} = 84 and S_m = 990, what is n - m?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the difference between the sum of the first (120) natural numbers and the sum of the first (80) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsWhat is the value of (S_{33}+S_{66}-S_{22})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsIn a triangular parking arrangement, the (1)st row has (2) vehicles, the (2)nd has (4) vehicles, and the (40)th has (80) vehicles. How many vehicles are there in total?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsIf S_n = 1830, what is the value of S_{n+10} - S_n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the sum of (71+72+73+\cdots+100)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsIf (S_{3k}=1176), what will be the value of (k)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsFind the value of (S_{100}-S_{90}+S_{10}).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsWhat is the sum of the first (150) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsThe value of Sₙ − S₍ₙ₋₁₎ + S₍ₙ₋₂₎ − S₍ₙ₋₃₎ is 100. What is n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsOn a stage, row 1 has 3 lamps, row 2 has 6 lamps, and row 30 has 90 lamps. If row r has 3r lamps, how many lamps are there in total?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsWhat is the value of S₇₀ − 2S₃₅?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsIf (S_{2p}=820), what is the value of (p)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsFind the value of (S_{40}+S_{60}-S_{50}).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsWhat is the sum of the first (96) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard