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Sum Formula

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

MathematicsWhat is half of the sum of the first (24) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsWhat is the difference between the sums of the first (70) and first (60) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsSubtract 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 61MediumMathematicsWhat is the difference between the sums of the first (55) and first (45) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsWhat is the sum of the first (70) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsWhat will be the sum of the first (46) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsFind the sum of the first (55) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsWhat is the sum of the first (52) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsThe sum of the first (44) natural numbers is equal to which value?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsIf (S_m=210) and (S_n=325), what is the value of (n-m)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsWhat is obtained by subtracting the sum of the first (10) natural numbers from the sum of the first (25) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsWhat is the value of (S_{18}+S_{12}), where (S_n) is the sum of the first (n) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsA student solves (1) question on the first day and (1) more question each next day for (24) days. How many questions are solved in total?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsAn exam asked the value of (1+2+3+\cdots+95). What is the correct answer?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsWhat type of function of n is the sum of the first n natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsWhat will be the sum of the first (95) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsIn the formula \(S_n=\frac{n(n+1)}{2}\) for the sum of the first n natural numbers, what is always true about the product \(n(n+1)\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsIn the formula \(S_n=\frac{n(n+1)}{2}\) for the sum of the first n natural numbers, what does the factor \(n+1\) represent?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsHow much is the sum of the first (85) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsFind the sum of the first (72) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy