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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 difference between the sums of the first (90) and first (85) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf \(S_n\) is the sum of the first \(n\) natural numbers, which relation correctly represents the increase in the sum when moving from \(n\) to \(n+1\) terms?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsFor the sum \(S_n\) of the first \(n\) natural numbers, what does \(S_n-S_{n-1}\) represent when \(n\geq 2\)?Class 9Sequences and ProgressionsSum of first n natural numbersEasy MathematicsIn the sequence (14,22,30,38,\ldots), which term is (126)?Class 9Sequences and Progressionsnth termHard MathematicsAn arithmetic sequence has (a_n=2n+9). What is its first term?Class 9Sequences and Progressionsnth termHard MathematicsWhat is the (n)th term of the sequence (14,28,42,56,\ldots)?Class 9Sequences and Progressionsnth termEasy MathematicsWhat is the (n)th term of the sequence \(\frac{5}{2},5,\frac{15}{2},10,\ldots\)?Class 9Sequences and Progressionsnth termEasy MathematicsWhich of the following statements is correct about the sequence whose nth term is \(a_n=4n+1\)?Class 9Sequences and Progressionsnth termEasy MathematicsWhat is the (13)th term of the sequence (5,12,19,26,\ldots)?Class 9Sequences and Progressionsnth termMedium MathematicsWhich option gives the nth term of an arithmetic progression whose first term is 7 and in which each successive term increases by 3?Class 9Sequences and Progressionsnth termEasy MathematicsWhat is the (14)th term of the sequence (2,9,16,23,\ldots)?Class 9Sequences and Progressionsnth termMedium MathematicsWhich of the following sequences has a constant difference between consecutive terms and is therefore an arithmetic progression?Class 9Sequences and Progressionsnth termMedium MathematicsIn the sequence (11,15,19,23,\ldots), what is (n) for (a_n=63)?Class 9Sequences and Progressionsnth termMedium MathematicsWhat is the (15)th term of the sequence (3,7,11,15,\ldots)?Class 9Sequences and Progressionsnth termMedium MathematicsWhat will be the ninth term of the sequence (2,7,12,17,\ldots)?Class 9Sequences and Progressionsnth termEasy MathematicsIf \(a_1=27\) and \(r=\frac{2}{3}\), what will \(a_4\) be?Class 9Sequences and ProgressionsGeometric ProgressionExpert MathematicsIf (a_1=15) and (r=2), what will (a_4+a_6) be?Class 9Sequences and ProgressionsGeometric ProgressionExpert MathematicsIf (a_1=9) and (r=3), what will (a_4+a_5) be?Class 9Sequences and ProgressionsGeometric ProgressionExpert MathematicsWhat is the sum of the first (4) terms of the geometric progression (14,28,56,112,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsWhat is the sum of the first (4) terms of the geometric progression (8,24,72,216,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionMedium