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Sequences And Progressions

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

MathematicsIn an arithmetic sequence, (a_4=18) and the common difference is (5). What will be the explicit rule?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf aₙ = 9n − 4, what is a₈ − a₃?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhat is the general term of the sequence (8, 27, 64, 125, ...)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf a_n=\frac{2n+3}{n+1}, what is a_4?Class 9Sequences and Progressionsnth termLevel 49Hard MathematicsIn an arithmetic sequence, a₁ = 8 and a₄ = 20. What is its explicit rule?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 49Hard MathematicsWhat is the 25th term of the sequence (7, 13, 19, 25, ...)?Class 9Sequences and Progressionsnth termLevel 49Hard MathematicsWhat is the nth term of the sequence (1, 8, 27, 64, ...)?Class 9Sequences and Progressionsnth termLevel 49Hard MathematicsIf aₙ = n² + 3n + 2, what are the first four terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhich explicit rule is correct for the sequence (1, \frac{10}{3}, 7, 12, \ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf \(a_n=\frac{n(2n+1)}{3}\) then what is the value of \(a_4\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=n^3-1) then which term is equal to (124)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich explicit rule is correct for the sequence (1, 5, 21, 73, \ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhat is the general term of the sequence (1, 2, 5, 12, \ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich general term is correct for the sequence (5, 17, 37, 65, \ldots)?Class 9Sequences and Progressionsnth termLevel 48Medium MathematicsWhat is the general term of the sequence (1, 7/5, 9/5, 11/5, …)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich explicit rule is correct for the sequence (7,13,23,37,\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 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=5n+4) then which term is equal to (64)?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