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Sum Of Natural Numbers

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

MathematicsIf (S_n-S_{n-3}=348), what is the value of (S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is the sum of natural numbers from (50) to (150)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is the difference between the sum from (1) to (200) and the sum from (1) to (150)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_n=12246), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is 20% of the sum of the first 150 natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsIf (S_{n+2}-S_{n-2}=402), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsFind the sum of natural numbers from (126) to (175).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf S_n+S_(n−1)=4212 and S_n−S_(n−1)=65, what is the value of S_n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Hard MathematicsIf (S_n=5050), what is the value of (S_{n+4}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_{n+3}-S_n=222), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_n-S_{n-5}=490), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is the sum of natural numbers from (41) to (95)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf S_n=n(n+1)/2 and S_n=6670, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsWhat is the value of (S_{48}+S_{96}-S_{32})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsIf S_x=8385, where S_x is the sum of the first x natural numbers, what is the value of x?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsIn a parking arrangement, the rth row has 7r vehicles. How many vehicles will there be in 56 rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsOn a stage, the rth row has 6r lamps. How many lamps will there be in 45 rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium 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 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