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Difference Of Sums

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

MathematicsIf (S_n-S_{n-7}=1330), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Expert MathematicsIf S_n=7140, where S_n is the sum of the first n natural numbers, what is the value of S_(n+5)−S_n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Hard MathematicsWhat is 4 times the difference between S_96 and S_48, where S_n is the sum of the first n natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsWhat is the value of S_300−S_285, where S_n is the sum of the first n natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsWhat is the value of S₈₅ − S₈₀?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Hard MathematicsIf (S_{n+2}-S_n=155), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Hard MathematicsWhat remains when (1+2+\cdots+50) is subtracted from (1+2+\cdots+80)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Hard MathematicsWhat is the difference between the sums of the first (75) and first (50) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium MathematicsWhat is the difference between the sums of the first (90) and first (85) natural numbers?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