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Class Nine

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+7n-4), what will be the value of (a_8-a_3)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=\frac{n(n+1)}{2}+3), what will be (a_{10})?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=3n^2-5n+7), what is (a_{n+1}-a_n)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsWhich is the (n)th term of the sequence (\frac{5}{6},\frac{9}{11},\frac{13}{16},\frac{17}{21},\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsWhich is the (n)th term of the sequence (\frac{4}{7},\frac{7}{10},\frac{10}{13},\frac{13}{16},\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIn an arithmetic sequence, a₄ = 21 and a₁₀ = 57. What is its nth term?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 59Hard MathematicsIf (a_n=an+b), (a_4+a_8=74), and (a_5+a_9=86), what will be (a_1)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhat is the nth term of the sequence 3/2, 5/3, 7/4, 9/5, …?Class 9Sequences and Progressionsnth termLevel 56Hard MathematicsWhich is the nth term of the sequence 4, 10, 18, 28, 40, …?Class 9Sequences and Progressionsnth termLevel 56Hard MathematicsIf aₙ = (n² + 1)/n, what is the value of a₄?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsWhich is the (n)th term of the sequence (1,5,14,30,55,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich is the (n)th term of the sequence (6,11,18,27,38,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich is the (n)th term of the sequence (5,11,19,29,41,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich is the nth term of the sequence −1, 4, −9, 16, −25, …?Class 9Sequences and Progressionsnth termLevel 56Hard MathematicsIf a linear sequence has (a_4=18) and (a_9=43), what is (a_n)?Class 9Sequences and Progressionsnth termLevel 56Expert