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Algebraic Sequences

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+mn+4) and (a_2+a_4=46), what is the value of (m)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=4n-1), which term is (79)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf \(a_n=\frac{n+3}{2}\), what is the value of \(a_7\)?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIf \(a_n=\frac{n(n+5)}{2}\), what is \(a_7\)?Class 9Sequences and Progressionsnth termLevel 58Medium MathematicsIf \(a_n=\frac{3n}{2}\), what is the fourth term?Class 9Sequences and Progressionsnth termLevel 60Easy MathematicsWhich of the following general terms represents the sequence of odd natural numbers?Class 9Sequences and Progressionsnth termLevel 60Easy MathematicsIf \(a_n=\frac{5n-1}{2}\), what is \(a_7\)?Class 9Sequences and Progressionsnth termLevel 57Medium MathematicsIf (a_n=n(n+2)), what is (a_5)?Class 9Sequences and Progressionsnth termLevel 57Medium MathematicsIf (a_n=30-n), what is the tenth term?Class 9Sequences and Progressionsnth termLevel 59Easy MathematicsWhich of the following sequences is an arithmetic progression for every real value of \(x\)?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Hard MathematicsIf (a_n=2n^2+4n-3) then which statement is correct?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=n^3-1) then which term is equal to (124)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich of the following is an explicit rule for a sequence because it expresses \(a_n\) directly in terms of \(n\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich of the following sequences is an arithmetic progression, that is, the difference between each term and its immediately preceding term remains constant?Class 9Sequences and ProgressionsSequencesLevel 42Expert MathematicsWhich sequence shows the first four terms of (a_n=2^n+n)?Class 9Sequences and ProgressionsSequencesLevel 42Hard MathematicsWhich of the following sequences has the same difference between consecutive terms throughout?Class 9Sequences and ProgressionsSequencesLevel 42Hard