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Sum Of First N Natural Numbers

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

MathematicsIn a saving plan, 1 rupee is saved in the 1st week and 49 rupees in the 49th week. If the amount increases by 1 rupee each week, what is the total saving?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Easy MathematicsWhich sum is formed when 38 and 39 are added to 1 + 2 + 3 + ⋯ + 37?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Easy MathematicsWhat will be the value of S₂₄ + S₂₆?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsIf the sum of the first n natural numbers is 561, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsWhat is the sum of the natural numbers from 91 to 100?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf the sum of the first n natural numbers is 2701, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf Sₙ − Sₙ₋₁ = 68, what will be Sₙ?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf Sₙ = 231, what will be Sₙ₊₄?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf \(S_n-S_{n-3}=114\), what is the value of \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf \(S_n=300\), what will be \(S_{n+3}\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsIf \(1+2+3+\cdots+n=1035\), what is the value of \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is obtained by subtracting the sum of the first 60 natural numbers from the sum of the first 64 natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsIf \(S_n=300\), what will be the value of \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsWhat sum is obtained by adding \((29+30+31)\) to \((1+2+\cdots+28)\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Easy MathematicsIf (S_a=351) and (S_b=465), what is (b-a)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsWhat is the value of S₁₂ + S₁₃ + S₁₄, where S_n is the sum of the first n natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsFind the value of \(S_{30}-S_{18}\).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Easy MathematicsWhat is the sum of natural numbers from 21 to 35?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Easy MathematicsIf \(S_n=1225\), what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64Easy MathematicsA teacher asks for the sum of roll numbers from 1 to 31. What is the correct answer?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 63Easy