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

MathematicsIf (S_n=3240), what will be (S_{n+1}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsWhich sum is obtained by adding (37+38) to the sum of the first (36) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsWhat is the difference between the sums of the first (80) and first (75) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsIf (S_n-S_{n-2}=79), what is the value of (n)?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 61MediumMathematicsIf (S_n-S_{n-1}=42), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsWhat is obtained by adding (30) and (31) to the sum of the first (29) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsFor which (n) will (S_n-S_{n-1}=37)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60MediumMathematicsWhich sum is formed when (20) is added to (1+2+3+\cdots+19)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium