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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+5}-S_{n-5}=1205), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpertMathematicsIf (S_n-S_{n-7}=1330), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpertMathematicsIf (S_{n+3}-S_{n-2}=760), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpertMathematicsIf the sum of the first n natural numbers is Sₙ = 10,440, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersMediumMathematicsIf (S_n=5050), what is the value of (S_{n+4}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpertMathematicsIf (S_n-S_{n-5}=490), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpertMathematicsWhat is the sum of natural numbers from (41) to (95)?Class 9Sequences and ProgressionsSum of first n natural numbersExpertMathematicsWhat is the value of (S_{48}+S_{96}-S_{32})?Class 9Sequences and ProgressionsSum of first n natural numbersExpertMathematicsFind the value of (S_{180}-S_{170}+S_{20}).Class 9Sequences and ProgressionsSum of first n natural numbersExpertMathematicsOn a stage, the rth row has 6r lamps. How many lamps will there be in 45 rows?Class 9Sequences and ProgressionsSum of first n natural numbersMediumMathematicsIf (S_{2k+1}=1770), what will be the value of (k)?Class 9Sequences and ProgressionsSum of first n natural numbersHardMathematicsFind the value of (S_{140}-S_{130}+S_{10}).Class 9Sequences and ProgressionsSum of first n natural numbersHardMathematicsIf (S_y=4950), what will be the value of (S_{y+1})?Class 9Sequences and ProgressionsSum of first n natural numbersHardMathematicsWhat is the value of (S_{33}+S_{66}-S_{22})?Class 9Sequences and ProgressionsSum of first n natural numbersHardMathematicsFind the value of (S_{100}-S_{90}+S_{10}).Class 9Sequences and ProgressionsSum of first n natural numbersHardMathematicsWhich number should be added to (S_{44}) to get (S_{50})?Class 9Sequences and ProgressionsSum of first n natural numbersHardMathematicsIf (S_{n+2}-S_n=155), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersHardMathematicsIf (S_n=595), what is (S_{n+6}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersHardMathematicsWhat is the value of (S_{44}-S_{30})?Class 9Sequences and ProgressionsSum of first n natural numbersMediumMathematicsIf (S_{52}=1378), what will be the value of (S_{54})?Class 9Sequences and ProgressionsSum of first n natural numbersMedium

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