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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।

MathematicsWhat is the value of (S_{78}-S_{52}+S_{26}) for sums of the first (52), first (78), and first (26) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsWhat is the value of (S_{36}+S_{72}-S_{18})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62HardMathematicsWhat is the value of (1+2+3+\cdots+80)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsFind the sum of the first (54) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsA student added natural numbers from (1) to (29). What sum will be obtained?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsFind the sum of the first (47) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsHow much is the sum of the first (35) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Easy