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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।

MathematicsWhat is the value of (d) in the arithmetic progression (3,7,11,15,\ldots)?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsWhy is the sequence (2, 4, 8, 16, …) not an arithmetic progression?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsWhat is the fifth term in the arithmetic progression (6, 10, 14, 18, …)?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsWhat is the next term of the arithmetic progression (20, 18, 16, 14, …)?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsWhat is the first term in the arithmetic progression (9,14,19,24,...)?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsWhich general term is correct for the sequence (2, 9, 21, 38, …)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf \(a_n=\frac{n(5n-1)}{2}\), what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhat is the general term of the sequence 12, 27, 46, 69, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhich general term is correct for the sequence 2, 23, 124, 625, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhat is the general term of the sequence 9, 26, 55, 96, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf aₙ = 6n² − n + 4, what is a₄ : a₂?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhich explicit rule is correct for the sequence 2, 11/2, 21/2, 17, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf (a_n=n^3+3n^2-2), what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=4n^2+5n-6), what is the value of (a_3+a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhich explicit rule is correct for the sequence 11, 18, 32, 60, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf aₙ = 8n − 5, which term is equal to 155?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhich general term is correct for the sequence 5/2, 9, 39/2, 34, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf aₙ = n² + qn + 4 and a₅ = 54, what is the value of q?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich is the correct rule for the sequence (9, 22, 45, 78, ...)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf a_n = 13n - 8, what is a_9 - a_4?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Easy