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Arithmetic Series

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

MathematicsA student added numbers from (1) to (120) and then subtracted the sum from (1) to (80). What will be the result?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60HardMathematicsWhat is the difference between the sums of the first (72) and first (48) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60HardMathematicsWhat is \(\frac{1}{3}\) of the sum of the first (36) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60HardMathematicsWhat remains when (1+2+\cdots+50) is subtracted from (1+2+\cdots+80)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60HardMathematicsIf (S_n=2485), what is the value of (S_n-S_{n-5})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60HardMathematicsWhat is obtained by subtracting the sum of the first (62) natural numbers from the sum of the first (67) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsWhat will be the sum of the first (68) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsWhat is the difference between the sum of the first (39) natural numbers and (39)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsIn a game, marks from (1) to (20) are scored in the first (20) stages, and (0) marks in the next (5) stages. What is the total score?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsThe sum of the first (72) natural numbers is (2628). What is the sum of the first (71) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsIf (S_n=666), what will be the value of (S_{n+2})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsWhat is the value of (S_{28}+28)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsWhat is the difference between the sum of the first (58) natural numbers and the sum of the first (55) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsIf the sum of the first (31) natural numbers is (496), what is the sum of the first (34) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsFind the value of (S_{35}-S_{19}).Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsWhat is obtained by subtracting the sum of the first (23) natural numbers from the sum of the first (41) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsWhat is the sum of the first (47) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsIf (S_n=4950), what will (n) be?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsWhat is the ratio of the sum of the first (30) natural numbers to the sum of the first (20) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsIf the sum of the first (n) natural numbers is (2211), what is (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61Medium