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Class 9 Mathematics

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

MathematicsIf (a_n=4n^2-n) then what is (a_4:a_2)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhat is the general term of the sequence (4,10,28,82,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=n^2+n-2) then which term is equal to (70)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhat is the general term of the sequence (0,5,12,21,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf \(a_n=\frac{n(n+1)}{2}+2\) then what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=n^2+2n) then what is the value of (a_6)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=(n+2)^2) then what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=60-5n) then what is the value of (a_9)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich of the following general terms generates an arithmetic progression?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=4^n+2n-5) then what is the value of (a_3)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf (a_n=7n^2+2n-5) then which statement is correct?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhat is the general term of the sequence (2,14,51,140,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf (a_n=n^3+2n^2-n) then what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf \(a_n=3\cdot2^{n}+n\) then what is the value of \(a_5\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf (a_n=2^n+3n-2) then what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf \(a_n=\frac{n(n+4)}{2}\) then what is the value of \(a_8\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhich general term is correct for the sequence (6,13,22,33,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf (a_n=(n+2)^2-3) then what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhich of the following sequences has constant second differences for all terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhat is the general term of the sequence (5,12,23,38,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard