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Explicit Rule

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

MathematicsIf aₙ = 11n − 15, what is a₂ᵣ₋₁?Class 9Sequences and Progressionsnth termLevel 58Medium MathematicsWhat is the nth term of the sequence 10, 18, 34, 66, 130, …?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsWhat is the nth term of the sequence (1/2, 2/3, 3/4, 4/5, …)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsWhich is the nth term of the sequence 4, 6, 10, 18, 34, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 58Medium MathematicsWhat is the nth term of the sequence 7, 15, 31, 63, 127, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 58Hard MathematicsWhich is the nth term of the sequence 5, 12, 21, 32, 45, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 58Hard MathematicsWhat is the nth term of the sequence 1, 3, 7, 15, 31, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 57Medium MathematicsWhat is the (n)th term of the sequence (8,27,64,125,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Medium MathematicsIf (a_n=(-1)^n(2n+3)), what is (a_6)?Class 9Sequences and Progressionsnth termLevel 57Easy MathematicsA sequence has rule (a_n=n^2+n+2). What is (a_5+a_6)?Class 9Sequences and Progressionsnth termLevel 57Easy MathematicsWhat is the nth term of the sequence (2, 6, 12, 20, ...)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsIf aₙ = 4 × 5ⁿ⁻¹, what is the value of a₄ + a₅?Class 9Sequences and ProgressionsGeometric ProgressionLevel 56Hard MathematicsWhich arithmetic progression has nth term a_n = 7n + 3?Class 9Sequences and ProgressionsExplicit or general ruleLevel 52Easy MathematicsIf a_n = 7n + 4, what is the value of a_6 + a_10?Class 9Sequences and ProgressionsExplicit or general ruleLevel 53Medium MathematicsWhich arithmetic progression has nth term aₙ = 5n + 4?Class 9Sequences and ProgressionsExplicit or general ruleLevel 51Easy MathematicsIf aₙ = 4n + 7, what is the sum of the first 5 terms of this arithmetic progression?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 51Medium MathematicsWhat is the general term of the arithmetic progression (9, 15, 21, 27, …)?Class 9Sequences and Progressionsnth termLevel 52Medium MathematicsWhich arithmetic progression has nth term a_n = 6n + 1?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Medium MathematicsThe nth term of an arithmetic progression is aₙ = 7n − 2. Which term is equal to 96?Class 9Sequences and Progressionsnth termLevel 50Expert MathematicsIf aₙ = 9n + 4, at which term will aₙ = 85?Class 9Sequences and ProgressionsExplicit or general ruleLevel 52Medium