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Sequences And Progressions

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

MathematicsWhat is the sum of natural numbers from (50) to (150)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is the difference between the sum from (1) to (200) and the sum from (1) to (150)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_n=12246), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is 20% of the sum of the first 150 natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium MathematicsIf (S_{n+2}-S_{n-2}=402), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf S_n+S_(n−1)=4212 and S_n−S_(n−1)=65, what is the value of S_n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Hard MathematicsWhat is the ratio of the sums of the first (64) and first (32) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_n=5050), what is the value of (S_{n+4}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsWhat is the difference between the sums of the first (120) and first (85) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_{n+3}-S_n=222), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf (S_n-S_{n-5}=490), what will be the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Expert MathematicsIf S_n=n(n+1)/2 and S_n=6670, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60Medium 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 MathematicsThe sum of the first (n) natural numbers is (13695). What is the value of (n-30)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsWhat is the difference between the sum of the first (175) natural numbers and the sum of the first (125) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsWhat is the value of (S_{48}+S_{96}-S_{32})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Expert MathematicsIf S_x=8385, where S_x is the sum of the first x natural numbers, what is the value of x?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsIn a parking arrangement, the rth row has 7r vehicles. How many vehicles will there be in 56 rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Medium MathematicsWhat is the sum of 151 + 152 + 153 + ... + 210?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59Hard