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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=2n^2+4n-3) then which statement is correct?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=5n^2+n) then what is (a_4:a_2)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhich general term is correct for the sequence (15,45,135,405,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=3^n-1) then what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhat is the general term of the sequence (2,8,26,80,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=2^n+3) then what is the value of (a_6)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=n^2+2n-2) then which term is equal to (79)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhat is the general term of the sequence (1,6,13,22,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhat is the general term of the sequence (4,6,9,13,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhich general term is correct for the sequence (6,12,20,30,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=(n+3)^2) then what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhat is the general term of the sequence (16,25,36,49,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIn the sequence (5,12,19,26,\ldots) which term is (61)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhat is the general term of the sequence (70,64,58,52,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhich explicit rule is correct for the sequence (14,23,32,41,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=2n^2+n-1), what is the value of (a_6-a_2)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhat is the general term of the sequence (6,-9,12,-15,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf \(a_n=\frac{n(n+1)}{2}\), at which term will \(a_n=45\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhat is the general term of the sequence (2,9,28,65,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIn an arithmetic sequence, (a_3=13) and (a_6=25). What is the value of (a_9)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard