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Natural Numbers

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

MathematicsWhat is the difference between the sums of the first (28) and first (14) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf (S_n-S_{20}=250), what is the correct value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the sum of natural numbers from (46) to (55)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the ratio of the sum of the first (15) natural numbers to the sum of the first (10) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsSubtract the sum of the first (90) natural numbers from the sum of the first (100) natural numbers. What is the result?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhich algebraic expression represents the sum of the first \(n\) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhich formula represents the sum of the first n natural numbers, that is, from 1 to n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the difference between the sums of the first (80) and first (75) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsHow much is the sum of natural numbers from (51) to (60)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhich of the following relations is always true for \(S_n\), the sum of the first \(n\) natural numbers, where \(n>1\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the value of (1+2+3+\cdots+64)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is half of the sum of the first (24) natural numbers?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 MathematicsWhat is the difference between the sums of the first (70) and first (60) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsFind the sum of natural numbers from (26) to (35).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 will be the sum of natural numbers from (41) to (50)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsSubtract the sum of the first (20) natural numbers from the sum of the first (60) natural numbers. What is the result?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf (S_n-S_{n-1}=42), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf (S_n=1225), what will be the value of (S_{n+2})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium