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Sum Of N Terms

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

MathematicsWhat is the value of (1+2+3+\cdots+64)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsLet \(S_n\) denote the sum of the first n natural numbers. Which number does \(S_n-S_{n-1}\) represent?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhich of the following relations is correct for \(S_n\), the sum of the first \(n\) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the sum of the first (43) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the ratio of (S_{20}) to (S_{10})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsIf (S_{23}=276), what will be the value of (S_{25})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsFor which (n) will (S_n-S_{n-1}=37)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsWhat is the value of (S_{33}-S_{22})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsThe sum of the first (60) natural numbers is (1830). What is the sum of the first (59) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsIf \(S_n\) is the sum of the first n natural numbers, which relation correctly represents the change from \(S_n\) to \(S_{n+1}\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsWhat is the value of (S_{16}+16)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsA child found the sum of natural numbers from (1) to (54). What is the correct sum?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsIf the sum of the first (n) natural numbers is (2145), what is (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsIf \(S_n\) is the sum of the first \(n\) natural numbers, which recurrence relation for \(S_{n+1}\) is correct?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsWhich is the sum of the first (70) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsFind the sum of the first (39) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsWhat is the sum of (1+2+3+\cdots+38)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsChoose the correct sum of (1+2+3+\cdots+34).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 63Easy MathematicsWhich is the sum of the first (17) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 63Easy MathematicsFor the sum \(S_n\) of the first \(n\) natural numbers, what does \(S_n-S_{n-1}\) represent when \(n\geq 2\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Easy