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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।

MathematicsWhat is the sum of the first (132) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsIf (S_n=5995), what will be the value of (S_{n-8})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsWhat is obtained by subtracting the sum of the first (160) natural numbers from the sum of the first (200) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsWhat is the sum of (86+87+88+\cdots+140)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsIf (S_a=3003) and (S_b=5050), what will be the value of (b-a)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsWhat is the ratio of (S_{90}) to (S_{45})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsIf (S_n=2080), what will be the value of (S_{n+9})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsWhat is the sum of the natural numbers from 61 to 125?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Hard MathematicsWhat is the sum of the first (92) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsIf S_y = 7381, what is the value of S_(y+2)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is 2 times the difference between S_72 and S_36?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsIf S_n = 9180, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the value of S_250 − S_240?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsIf S_(n+2) − S_(n−2) = 286, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsThe sum of the first (n) natural numbers is (10878). What is the value of (n-25)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsIf \(S_n-S_{n-1}=126\) and \(S_m=1953\), what is \(n-m\), where \(S_k=1+2+\cdots+k\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Medium MathematicsWhat is the difference between the sum of the first (135) natural numbers and the sum of the first (90) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsWhat is the value of (S_{36}+S_{72}-S_{18})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Hard MathematicsIn a parking arrangement, the \(r\)th row has \(5r\) vehicles. How many vehicles are there in 42 rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Medium MathematicsIf \(S_n=3240\), what is the value of \(S_{n+8}-S_n\), where \(S_k=1+2+\cdots+k\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Medium