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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 a_n = n^2 + 6n + 5, which term is 252?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsIf (a_n=n^2+6n+5), which term is (230)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_n=n^2+3^n), what will be the value of (a_4+a_5)?Class 9Sequences and ProgressionsSequencesExpert MathematicsWhat will be the next term in the sequence (1,4,10,20,35,\ldots)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf \(a_n=\frac{n^2-1}{n+1}\), what will be the value of \(a_{15}\)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn the sequence (10,13,19,31,55,\ldots), the added term doubles each time. What will be the next term?Class 9Sequences and ProgressionsSequencesExpert MathematicsWhich of the following statements correctly describes a key feature of a sequence?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_n=2n^3-n), what will be the value of (a_6-a_4)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn the sequence (2,9,30,93,282,\ldots), each next term is obtained by multiplying the previous term by (3) and adding (3). What will be the next term?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn the sequence 5, 10, 20, 40, ..., which term is 5120?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsIf (a_n=3n^2-2n+5), what will be the value of (a_{12}+a_{13})?Class 9Sequences and ProgressionsSequencesExpert MathematicsOn the basis of which condition can a sequence definitely be classified as an arithmetic progression (AP)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_n=6n-(-1)^n), what will be the value of (a_{12}-a_{11})?Class 9Sequences and ProgressionsSequencesExpert MathematicsWhat is the average of the first (5) terms of the sequence (8,16,32,64,\ldots)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf \(a_n=\frac{n}{2n-1}\), which is the first term less than \(\frac{3}{5}\)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn the sequence (1,\frac{1}{4},\frac{1}{9},\frac{1}{16},\ldots), which is the first term less than (\frac{1}{100})?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf a_n = n(n + 4), which term is 165?Class 9Sequences and ProgressionsMedium MathematicsWhat is the correct sum of the first 6 terms of the sequence (3, 7, 13, 21, 31, ...)?Class 9Sequences and ProgressionsSequencesHard MathematicsWhat is the sum of the first 6 terms of the sequence 3, 7, 13, 21, 31, ...?Class 9Sequences and ProgressionsSequencesHard MathematicsIf (a_n=2^n+3^n), what will be the value of (a_4)?Class 9Sequences and ProgressionsSequencesExpert